Update the pre-built SDK and re-enable the format presubmit.

Now that the new formatter has landed in the SDK, I can update the
pre-built SDK to use it and turn the presubmit back on.

Change-Id: I2ec47dfa2f26f39451b1bf071fdbeb963f19eeaa
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/424282
Commit-Queue: Alexander Thomas <athom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>

https://dart.googlesource.com/sdk/+/9282dc5b067b6e0365382690b3dd2a8b678cfc00

DEPS

diff --git a/DEPS b/DEPS
index 244b687..7d2eca9 100644
--- a/DEPS
+++ b/DEPS
@@ -238,7 +238,7 @@
 ]
 
 deps = {
-  'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'cc1383e2eaf6b80eac6659264878fe250d062ccf',
+  'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + '9282dc5b067b6e0365382690b3dd2a8b678cfc00',
 
   'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '49073a652f84f50c4910d83e86cc682eeec2f0cd',
 
@@ -374,7 +374,7 @@
    Var('dart_git') + '/external/github.com/google/webkit_inspection_protocol.dart.git' + '@' + Var('dart_webkit_inspection_protocol_rev'),
 
   'flutter/engine/src/flutter/third_party/dart/tools/sdks/dart-sdk':
-   {'dep_type': 'cipd', 'packages': [{'package': 'dart/dart-sdk/${{platform}}', 'version': 'git_revision:5a8921e0042c662ea2adbac35ea051dec20a5341'}]},
+   {'dep_type': 'cipd', 'packages': [{'package': 'dart/dart-sdk/${{platform}}', 'version': 'git_revision:4bb26ad346b166d759773e01ffc8247893b9681e'}]},
 
   # WARNING: end of dart dependencies list that is cleaned up automatically - see create_updated_flutter_deps.py.
 

commits.json

diff --git a/commits.json b/commits.json
index f7541b3..ea7db27 100644
--- a/commits.json
+++ b/commits.json
@@ -1,4 +1,4 @@
 {
   "flutter":"49073a652f84f50c4910d83e86cc682eeec2f0cd",
-  "flutter/engine/src/flutter/third_party/dart":"cc1383e2eaf6b80eac6659264878fe250d062ccf"
+  "flutter/engine/src/flutter/third_party/dart":"9282dc5b067b6e0365382690b3dd2a8b678cfc00"
 }
\ No newline at end of file