[co19] Roll co19 to ff08f2965b024a7003456deb6480170d566ace74

2020-09-14 sgrekhov@unipro.ru iframe.html added to the Window directory
2020-09-14 sgrekhov@unipro.ru Path to iframe.html fixed
2020-09-14 sgrekhov@unipro.ru Assert tests fixed. Use assertStatementsEnabled flag to check if asserts are enabled
2020-09-14 sgrekhov@unipro.ru Fix HTML tests to use OtherResources flag
2020-09-14 sgrekhov@unipro.ru Assert tests uodated to use assertStatementsEnabled check
2020-09-14 sgrekhov@unipro.ru Fixes 934. LanguageFeatures/int-to-double tests migrated to null safety
2020-09-11 sgrekhov@unipro.ru Issue number added
2020-09-11 sgrekhov@unipro.ru Fix for 933. Compile time error fixed

Change-Id: I314c8e76c49d55f5a738f05fd99a0f3ab66e82a7
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/162720
Reviewed-by: William Hesse <whesse@google.com>
diff --git a/DEPS b/DEPS
index 7c82485..a7b256a 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": "b82516f08b02a10f5a65b7157e8cfdf00f10bdf4",
+  "co19_rev": "ff08f2965b024a7003456deb6480170d566ace74",
   "co19_2_rev": "e48b3090826cf40b8037648f19d211e8eab1b4b6",
 
   # The internal benchmarks to use. See go/dart-benchmarks-internal