Roll Dart SDK from 46bad70d0f7e to 7ba556c43d35 (1 revision) (#46645)

https://dart.googlesource.com/sdk.git/+log/46bad70d0f7e..7ba556c43d35

2023-10-07 [email protected] Version 3.3.0-0.0.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] 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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Author: skia-flutter-autoroll

DEPS

@@ -57,7 +57,7 @@ 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': '46bad70d0f7e50e542976ef6d250e7cc3ba40fc8',
+  'dart_revision': '7ba556c43d35388424c900124a4035497f86b885',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -376,7 +376,7 @@ deps = {
    Var('dart_git') + '/dart_style.git@1a2def95a3c04dafd27b85d17e6e828bd4afa1a3',
 
   'src/third_party/dart/third_party/pkg/dartdoc':
-   Var('dart_git') + '/dartdoc.git@59947b1495f6fc30fb106ae1a0a8d60d86c82f14',
+   Var('dart_git') + '/dartdoc.git@524b2b677d977b3ef1b25a7fcefaa1f0b82bef20',
 
   'src/third_party/dart/third_party/pkg/ffi':
    Var('dart_git') + '/ffi.git@2faec288966d8f564049adb86a7ca43fd6e01fbf',

ci/licenses_golden/licenses_dart

@@ -1,4 +1,4 @@
-Signature: 127d760e2487843b40f3505641064150
+Signature: 927afe41ea1670682957ff1fe345c21d
 
 ====================================================================================================
 LIBRARY: dart