Roll Dart SDK from a4e0e792ef9a to 0cea73a8d3c3 (1 revision) (#45245)

https://dart.googlesource.com/sdk.git/+log/a4e0e792ef9a..0cea73a8d3c3

2023-08-29 [email protected] Version 3.2.0-122.0.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

@@ -53,7 +53,7 @@ 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': 'a4e0e792ef9ab3b8ce0ca3945e8bd938d2a4da5c',
+  'dart_revision': '0cea73a8d3c34f06d3ca2b2730ae1bb9822e2fa0',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -371,7 +371,7 @@ deps = {
    Var('dart_git') + '/dart_style.git@2956b1a705953f880a5dae9d3a0969df0fc45e99',
 
   'src/third_party/dart/third_party/pkg/dartdoc':
-   Var('dart_git') + '/dartdoc.git@e14837350492494bc693d69d29b9e21f50c224d0',
+   Var('dart_git') + '/dartdoc.git@5fda5eb2e004b6cf7c73fbcffbc246a71119be98',
 
   'src/third_party/dart/third_party/pkg/ffi':
    Var('dart_git') + '/ffi.git@e2c01a960b84d1074b0a1849909ae2d269d004be',

ci/licenses_golden/licenses_dart

@@ -1,4 +1,4 @@
-Signature: abb82a6413886ac85e0b6b018641e266
+Signature: 223ed05aad15862e6284047532b1f2d1
 
 ====================================================================================================
 LIBRARY: dart