Manual roll Dart SDK from b81b344a194f to 8334290a421b (12 revisions) (flutter/engine#54813)

Manual roll requested by asiva@google.com

https://dart.googlesource.com/sdk.git/+log/b81b344a194f..8334290a421b

2024-08-27 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-187.0.dev
2024-08-27 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-186.0.dev
2024-08-27 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-185.0.dev
2024-08-27 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-184.0.dev
2024-08-27 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-183.0.dev
2024-08-26 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-182.0.dev
2024-08-26 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-181.0.dev
2024-08-26 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-180.0.dev
2024-08-26 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-179.0.dev
2024-08-24 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-178.0.dev
2024-08-24 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-177.0.dev
2024-08-23 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.6.0-176.0.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,matanl@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