Roll Dart SDK from 0a6b16a55b9e to 7dab9bffe1f7 (1 revision) (flutter#169406)

https://dart.googlesource.com/sdk.git/+log/0a6b16a55b9e..7dab9bffe1f7

2025-05-24 [email protected]
Version 3.9.0-169.0.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
Please CC [email protected],[email protected] on the revert
to ensure that a human
is aware of the problem.

To file a bug in Flutter:
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: engine-flutter-autoroll

DEPS

@@ -56,7 +56,7 @@ 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': '0a6b16a55b9eea747e7fa8d00ce285a0fbd500bc',
+  'dart_revision': '7dab9bffe1f7f17bbb0be1a0467108e85f60efaf',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

engine/src/flutter/sky/packages/sky_engine/LICENSE

@@ -30447,7 +30447,7 @@ 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/+/0a6b16a55b9eea747e7fa8d00ce285a0fbd500bc
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/7dab9bffe1f7f17bbb0be1a0467108e85f60efaf
 /third_party/fallback_root_certificates/
 
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