Roll Dart SDK from aebd78999b1a to d9edd9e7a634 (1 revision) (flutter#171053)

https://dart.googlesource.com/sdk.git/+log/aebd78999b1a..d9edd9e7a634

2025-06-24 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.9.0-268.0.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 dart-vm-team@google.com,jimgraham@google.com 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': 'aebd78999b1ad3ab5403549ffe07cb173205122d',
+  'dart_revision': 'd9edd9e7a634d535d35c5a9596470bd0406cff3b',
 
   # 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/ci/licenses_golden/licenses_dart

@@ -1,4 +1,4 @@
-Signature: 19483bbcea4f84e0eb4ac8c1cf9acb1c
+Signature: 835a28766f7c543ea8912f95f06ad181
 
 ====================================================================================================
 LIBRARY: dart
@@ -4892,7 +4892,7 @@ 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/+/aebd78999b1ad3ab5403549ffe07cb173205122d
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/d9edd9e7a634d535d35c5a9596470bd0406cff3b
 /third_party/fallback_root_certificates/
 
 ====================================================================================================

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

@@ -31043,7 +31043,7 @@ 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/+/aebd78999b1ad3ab5403549ffe07cb173205122d
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/d9edd9e7a634d535d35c5a9596470bd0406cff3b
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------