Manual roll Dart SDK from a58ca112af1c to aca45d2e133c (2 revisions) (flutter/engine#44203)

Manual roll requested by asiva@google.com

https://dart.googlesource.com/sdk.git/+log/a58ca112af1c..aca45d2e133c

2023-07-31 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.2.0-19.0.dev
2023-07-31 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.2.0-18.0.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 asiva@google.com,dart-vm-team@google.com,jonahwilliams@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://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

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': 'a58ca112af1c1cdec6891f2051792b352c52134e',
+  'dart_revision': 'aca45d2e133cf6382e626072eec22bdd3c817945',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

engine/src/flutter/ci/licenses_golden/licenses_dart

@@ -1,4 +1,4 @@
-Signature: a4dee66e7471aa133d109697527a267d
+Signature: ece3281493245592a2d6ddb58369eb57
 
 ====================================================================================================
 LIBRARY: dart

engine/src/flutter/sky/packages/sky_engine/LICENSE

@@ -242,7 +242,6 @@ dart
 etc1
 expat
 flatbuffers
-fuchsia-vulkan
 fuchsia_sdk
 glslang
 khronos