Roll Dart SDK from abc8988e9dac to b1e31a41fb17 (1 revision) (#51403)

https://dart.googlesource.com/sdk.git/+log/abc8988e9dac..b1e31a41fb17

2024-03-14 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.4.0-230.0.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 bdero@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 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': 'abc8988e9dac6fe00ac1436bfb20302471ef27fb',
+  'dart_revision': 'b1e31a41fb170c39f2b8a002bbce466a489fdee6',
 
   # 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: 7ca2e8ad7d2a3d32ccaca55392c30ea6
+Signature: fbbe5305d4c45a01c20b4367ffaefbfa
 
 ====================================================================================================
 LIBRARY: dart
@@ -4751,7 +4751,7 @@ 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/+/abc8988e9dac6fe00ac1436bfb20302471ef27fb
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/b1e31a41fb170c39f2b8a002bbce466a489fdee6
 /third_party/fallback_root_certificates/
 
 ====================================================================================================

sky/packages/sky_engine/LICENSE

@@ -31736,7 +31736,7 @@ 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/+/abc8988e9dac6fe00ac1436bfb20302471ef27fb
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/b1e31a41fb170c39f2b8a002bbce466a489fdee6
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------