Roll Dart SDK from f7239b3c25af to 28b5735ad7dc (4 revisions) (flutter#51970)

https://dart.googlesource.com/sdk.git/+log/f7239b3c25af..28b5735ad7dc

2024-04-08 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.5.0-35.0.dev
2024-04-08 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.5.0-34.0.dev
2024-04-07 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.5.0-33.0.dev
2024-04-06 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.5.0-32.0.dev

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@google.com,matanl@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter Engine: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Author: skia-flutter-autoroll

DEPS

@@ -62,7 +62,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': 'f7239b3c25afb6ddc6733f676ea8368cff751a67',
+  'dart_revision': '28b5735ad7dce6585419d26fe147dc406097b93c',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

ci/licenses_golden/licenses_dart

@@ -1,4 +1,4 @@
-Signature: e46460d4dd453fb69dc8d1aca8606a25
+Signature: d277977dbb213bea5668d0503ff9d858
 
 ====================================================================================================
 LIBRARY: dart
@@ -4737,7 +4737,7 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/f7239b3c25afb6ddc6733f676ea8368cff751a67
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/28b5735ad7dce6585419d26fe147dc406097b93c
 /third_party/fallback_root_certificates/
 
 ====================================================================================================

sky/packages/sky_engine/LICENSE

@@ -32032,7 +32032,7 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/f7239b3c25afb6ddc6733f676ea8368cff751a67
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/28b5735ad7dce6585419d26fe147dc406097b93c
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------