Roll Flutter Engine from 6f941c961b05 to 202506d686e3 (10 revisions) (#159345)

6f941c961b...202506d686

2024-11-22 jonahwilliams@google.com [Impeller] cache and reuse openGL
framebuffer attachments. (flutter/engine#56746)
2024-11-22 skia-flutter-autoroll@skia.org Roll Skia from 700e685861c8 to
e7caf38140ce (25 revisions) (flutter/engine#56756)
2024-11-22 skia-flutter-autoroll@skia.org Roll Dart SDK from
c1106f7e4cde to 141291fd570d (1 revision) (flutter/engine#56748)
2024-11-22 jonahwilliams@google.com [engine] more consistently flush
dart event loop, run vsync callback immediately (flutter/engine#56738)
2024-11-22 chris@bracken.jp Extract backend-specific code in
ShellTestPlatformView (flutter/engine#56722)
2024-11-22 chris@bracken.jp Eliminate
ShellTestPlatformView::BackendType::kDefaultBackendType
(flutter/engine#56744)
2024-11-22 skia-flutter-autoroll@skia.org Roll Skia from 2614590b4f32 to
700e685861c8 (1 revision) (flutter/engine#56725)
2024-11-22 skia-flutter-autoroll@skia.org Roll Dart SDK from
b36e4d731d67 to c1106f7e4cde (12 revisions) (flutter/engine#56742)
2024-11-22 chinmaygarde@google.com [Impeller] libImpeller: A C++ wrapper
to the Impeller API. (flutter/engine#56682)
2024-11-21 chinmaygarde@google.com [Impeller] Run simulator tests with
Impeller enabled. (flutter/engine#56740)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC aaclarke@google.com,zra@google.com on the revert to ensure
that a human
is aware of the problem.

To file a bug in Flutter:
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

bin/internal/engine.version

@@ -1 +1 @@
-6f941c961b05eebbe3cff2febb3bd91d6a02c87b
+202506d686e317862d81548b8afcae9c9eecaa90