Manual roll Dart SDK from 0f61238a27b0 to 503192257a47 (2 revisions) (#54026)

Manual roll requested by [email protected]

https://dart.googlesource.com/sdk.git/+log/0f61238a27b0..503192257a47

2024-07-18 [email protected] Version 3.6.0-57.0.dev
2024-07-18 [email protected] Version 3.6.0-56.0.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 [email protected],[email protected],[email protected] 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

@@ -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': '0f61238a27b0a4c1eb5b3981bf3f8ad9572f66eb',
+  'dart_revision': '503192257a470f4a3782986caa2f28ec6785cb56',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

sky/packages/sky_engine/LICENSE

@@ -31926,7 +31926,7 @@ 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/+/0f61238a27b0a4c1eb5b3981bf3f8ad9572f66eb
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/503192257a470f4a3782986caa2f28ec6785cb56
 /third_party/fallback_root_certificates/
 
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