[co19] Roll co19 to c6adf63baea76b1f7e7833482eec023fd244fc33

2020-06-04 irina.arkhipets@gmail.com Issue 720: Language\Functions tests adopted for nnbd.
2020-06-04 irina.arkhipets@gmail.com Issue 716: Language\Functions\Formal_Parameters tests adopted for nnbd.
2020-06-04 sgrekhov@unipro.ru Fixes 719. Migrate Language\Classes\Superinterfaces to null safety
2020-06-04 sgrekhov@unipro.ru Fixes 718. Migrate Language\Classes\Superclasses\Inheritance_and_Overriding to null safety
2020-06-04 sgrekhov@unipro.ru 717. Typo fixed
2020-06-04 sgrekhov@unipro.ru Fixes 717. Migrate Language\Classes\Superclasses to null safety
2020-06-04 irina.arkhipets@gmail.com Issue 716: Language\Functions\Formal_Parameters\Required_Parameters test adopted for nnbd.
2020-06-04 irina.arkhipets@gmail.com Issue 716: Language\Functions\Formal_Parameters\Optional_Parameters test adopted for nnbd.
2020-06-04 sgrekhov@unipro.ru Fixes 715. Migrate Language\Classes\Static_Methods to null safety
2020-06-04 irina.arkhipets@gmail.com Issue 714: Language\Functions\External_Functions test updated.
2020-06-04 sgrekhov@unipro.ru Fixes 710. Migrate Language\Classes\Setters to null safety
2020-06-04 irina.arkhipets@gmail.com Issue 713: Language\Expressions\Unary_Expressions tests adopted for nnbd.
2020-06-04 irina.arkhipets@gmail.com Issue 712: Language\Expressions\Type_Test tests adopted for nnbd.
2020-06-04 irina.arkhipets@gmail.com Issue 711: Language\Expressions\Type_Cast tests adopted for nnbd.
2020-06-04 sgrekhov@unipro.ru Fixes 709. Migrate Language\Classes\Instance_Variables to null safety
2020-06-04 sgrekhov@unipro.ru 478. Definite assignment tests for conditional assignment added
2020-06-03 irina.arkhipets@gmail.com Issue 707: Errors in the tests corrected.
2020-06-03 sgrekhov@unipro.ru 478. Definite assignment tests for different statements added
2020-06-02 sgrekhov@unipro.ru Typos fixed
2020-06-02 sgrekhov@unipro.ru Use nnbd-weak mode for tests that import legacy code
2020-06-02 sgrekhov@unipro.ru 672. Don't ignore root delete event
2020-06-02 sgrekhov@unipro.ru Relative import in multytest fixed
2020-06-02 irina.arkhipets@gmail.com Fixed Issue 706: expected result updated according to the discussion in the Issue 41804.
2020-06-01 sgrekhov@unipro.ru 478. Definite assignment tests for if and for statements added
2020-06-01 sgrekhov@unipro.ru 478. Reachability after return statement tests added
2020-06-01 irina.arkhipets@gmail.com Fixed Issue 703: future flattening tests updated according to the recent Spec changes.
2020-06-01 sgrekhov@unipro.ru 688. Weak mode failures of subtyping tests fixed
2020-06-01 sgrekhov@unipro.ru Fixes 701. Migrate ExpectException tests to null safety
2020-05-30 irina.arkhipets@gmail.com Fixed Issue 705: Language\Expressions\Throw tests adopted for nnbd.
2020-05-30 irina.arkhipets@gmail.com Fixed Issue 704: Language\Expressions\This tests adopted for nnbd.
2020-05-29 irina.arkhipets@gmail.com Fixed Issue 702: Language\Expressions\Strings\Strings tests adopted for nnbd.
2020-05-29 irina.arkhipets@gmail.com Fixed Issue 702: Language\Expressions\Strings\String_Interpolation tests adopted for nnbd.
2020-05-29 irina.arkhipets@gmail.com Fixed Issue 700: Language\Expressions\Shift tests adopted for nnbd.
2020-05-29 irina.arkhipets@gmail.com Fixed Issue 699: Language\Expressions\Relational_Expressions tests adopted for nnbd.
2020-05-29 irina.arkhipets@gmail.com Fixed Issue 698: Language\Expressions\Property_Extraction tests adopted for nnbd.
2020-05-29 irina.arkhipets@gmail.com Fixed Issue 698: Language\Expressions\Property_Extraction\Getter_Access_and_Method_Extraction tests adopted for nnbd.
2020-05-29 irina.arkhipets@gmail.com Fixed Issue 683: Correct testcase for postfix ++ operator with Map.
2020-05-29 irina.arkhipets@gmail.com Fixed Issue 693: Language\Expressions\Postfix_Expressions tests adopted for nnbd.
2020-05-29 sgrekhov@unipro.ru Fixes 697. Migrate Language\Classes\Instance_Methods\Operators to null safety
2020-05-29 sgrekhov@unipro.ru Fixes 696. Migrate Language\Classes\Instance_Variables to null safety
2020-05-29 sgrekhov@unipro.ru 688. Fix subtyping right legacy tests
2020-05-29 sgrekhov@unipro.ru 688. Fix subtyping left legacy tests tests
2020-05-28 sgrekhov@unipro.ru Fixes 695.  Language\Classes\Getters tests migrated to null safety
2020-05-28 sgrekhov@unipro.ru 688. Fix subtyping right promoted variable tests
2020-05-28 irina.arkhipets@gmail.com Fixed Issue 607: Instantiate-to-bounds tests adopted for nnbd, Issue tags added for 41963, 41964.
2020-05-28 sgrekhov@unipro.ru 688. Fix subtyping tests
2020-05-28 sgrekhov@unipro.ru 688. Fix right-promoted variable static tests
2020-05-27 sgrekhov@unipro.ru 688. Fix right-nullable static test
2020-05-27 sgrekhov@unipro.ru 688. Use correct override for FutureOr
2020-05-27 sgrekhov@unipro.ru Fixes 686 and 687. Use null for dynamic type checking of nullable types
2020-05-27 irina.arkhipets@gmail.com Fixed Issue 692: Language\Expressions\Object_Identity tests adopted for nnbd.
2020-05-27 irina.arkhipets@gmail.com Fixed Issue 691: Language\Expressions\Numbers tests adopted for nnbd.
2020-05-27 irina.arkhipets@gmail.com Fixed Issue 690: Language\Expressions\Null tests adopted for nnbd.
2020-05-27 irina.arkhipets@gmail.com Fixed Issue 689: Language\Expressions\Multiplicative_Expressions tests adopted for nnbd.
2020-05-27 sgrekhov@unipro.ru Fixes 685. Use correct types for left top tests
2020-05-26 irina.arkhipets@gmail.com Fixed Issue 678: canonicanization issue clarified.
2020-05-26 irina.arkhipets@gmail.com Fixed Issue 684: Language\Expressions\Method_Invocation tests adopted for nnbd.
2020-05-26 irina.arkhipets@gmail.com Fixed Issue 683: Language\Expressions\Maps adopted for nnbd.
2020-05-26 irina.arkhipets@gmail.com Fixed Issue 682: Language\Expressions\Lookup tests adopted for nnbd.
2020-05-26 irina.arkhipets@gmail.com Fixed Issue 681: Language\Expressions\Logical_Boolean_Expressions tests adopted for nnbd.
2020-05-26 irina.arkhipets@gmail.com Fixed Issue 680: Language\Expressions\Lists tests adopted for nnbd.
2020-05-26 irina.arkhipets@gmail.com Fixed Issue 679: Language\Libraries_and_Scripts\Imports tests adopted for nnbd.
2020-05-26 sgrekhov@unipro.ru 478. Reachability tests for continue statement added
2020-05-25 sgrekhov@unipro.ru 478. Reachability tests for break statement added
2020-05-25 irina.arkhipets@gmail.com Fixed Issue 677: Language\Expressions\Instance_Creation\New tests adopted for nnbd.
2020-05-23 irina.arkhipets@gmail.com Issue tag for 42031 added
2020-05-23 irina.arkhipets@gmail.com Fixed Issue 678: Language\Expressions\Instance_Creation\Const tests adopted for nnbd.
2020-05-22 irina.arkhipets@gmail.com Fixed Issue 676: Language\Expressions\Instance_Creation tests adopted for nnbd.
2020-05-22 irina.arkhipets@gmail.com Fixed Issue 675: Language\Expressions\If_null_Expressions tests adopted for nnbd.
2020-05-22 sgrekhov@unipro.ru 478. More Reachability tests added
2020-05-22 irina.arkhipets@gmail.com Fixed Issue 674: Language\Expressions\Identifier_Reference tests adopted for nnbd.
2020-05-22 sgrekhov@unipro.ru 672. By default testFileSystemEvent ignores root events now
2020-05-21 irina.arkhipets@gmail.com Fixed Issue 671: Language\Expressions\Function_Invocation tests adopted for nnbd.
2020-05-20 sgrekhov@unipro.ru 478. Reachability tests fixed and new ones added
2020-05-20 sgrekhov@unipro.ru 478. Reachability tests fixed and new ones added
2020-05-20 irina.arkhipets@gmail.com Fixed Issue 670: Language\Expressions\Function_Invocation\Unqualified_Invocation tests adopted for nnbd.
2020-05-20 irina.arkhipets@gmail.com Fixed Issue 669: Language\Expressions\Function_Invocation\Function_Expression_Invocation to null-safety tests adopted for nnbd.
2020-05-20 irina.arkhipets@gmail.com Fixed Issue 668: Language\Expressions\Function_Invocation\Binding_Actuals_to_Formals tests adopted for nnbd.
2020-05-20 irina.arkhipets@gmail.com Fixed Issue 667: Language\Expressions\Function_Invocation\Actual_Argument_List_Evaluation tests adopted for nnbd.
2020-05-20 irina.arkhipets@gmail.com Fixed Issue 666: failing test corrected.
2020-05-19 sgrekhov@unipro.ru For some Language\Classes\ tests migration to null-safety fixed
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 664: get rid of useless SharedOptions tag in Language/Expressions/Equality tests.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 663: Get rid of useless SharedOptions tags in Language/Expressions/Constants tests.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 662: Get rid of useless SharedOptions tags in Language/Expressions/Conditional tests
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 660: get rid of useless SharedOptions tags in Language/Expressions/Booleans tests.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 659: Get rid os useless SharedOptions tags in Language/Expressions/Bitwise_Expressions.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 658: got rid of useless SharedOptions tags in Language/Expressions/Await_Expressions.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 656: got rid of useless ShareOptions tags in Language/Expressions/Assignment tests.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 655: Useless SharedOptions tags removed from Language/Expressions/Assignable_Expressions tests
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 653: Useless SharedOptions tags removed from Language/Expressions/Additive_expressions tests.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 652: Useless SharedOptions tags removed for Language/Errors_and_Warnings.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 651: useless SharedOptions tags removed in Language/Enums.
2020-05-19 sgrekhov@unipro.ru Fixes 654. Language\Classes\Constructors\Generative_Constructors migrated to null-safety
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 646: Language/Generics tests adopted for nnbd.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 650: useless SharedOptions tags removed from Language/Generics Superbounded_types tests.
2020-05-19 irina.arkhipets@gmail.com Fixed Issue 665: Language/Expressions/Function_Expressions tests adopted for nnbd.

Failures will be triaged on https://github.com/dart-lang/co19/issues/722.

Change-Id: I1bf1437e94c7963285eeea575ca31d6491035428
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150028
Reviewed-by: William Hesse <whesse@google.com>
diff --git a/DEPS b/DEPS
index 4754e30..5aa1cee 100644
--- a/DEPS
+++ b/DEPS
@@ -44,7 +44,7 @@
   # co19 is a cipd package. Use update.sh in tests/co19[_2] to update these
   # hashes. It requires access to the dart-build-access group, which EngProd
   # has.
-  "co19_rev": "9dacb12cf963ce92fb056b7f2fb87096fd576e9a",
+  "co19_rev": "c6adf63baea76b1f7e7833482eec023fd244fc33",
   "co19_2_rev": "620c1148c8b7a3d7f74afacf348c46f109eb64f2",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal