Roll Dart SDK from a1db62a5dd14 to dc323ec0c1a3 (4 revisions) (flutter#168989)

https://dart.googlesource.com/sdk.git/+log/a1db62a5dd14..dc323ec0c1a3

2025-05-16 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.9.0-135.0.dev
2025-05-16 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.9.0-134.0.dev
2025-05-16 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.9.0-133.0.dev
2025-05-16 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.9.0-132.0.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 aaclarke@google.com,dart-vm-team@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': 'a1db62a5dd14123acd48c5898d8c4e50d1e52a11',
+  'dart_revision': 'dc323ec0c1a3dc8bdf4eade8816175a6d5495c4d',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -70,7 +70,7 @@ vars = {
   'dart_libprotobuf_rev': '24487dd1045c7f3d64a21f38a3f0c06cc4cf2edb',
   'dart_perfetto_rev': '13ce0c9e13b0940d2476cd0cff2301708a9a2e2b',
   'dart_protobuf_gn_rev': 'ca669f79945418f6229e4fef89b666b2a88cbb10',
-  'dart_protobuf_rev': '7d2e615086c973b0186802ca0b1db575d34d50ac',
+  'dart_protobuf_rev': '9bd149b40e3bd762d902f86a67889651bcb9486c',
   'dart_pub_rev': 'b2c03b448a47fdd52800609b9222cd737be3a934',
   'dart_sync_http_rev': 'dc54465f07d9652875deeade643256dafa2fbc6c',
   'dart_tools_rev': '36f5c9f9989e06e79323499914c50e78ab1a6621',

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/+/a1db62a5dd14123acd48c5898d8c4e50d1e52a11
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/dc323ec0c1a3dc8bdf4eade8816175a6d5495c4d
 /third_party/fallback_root_certificates/
 
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