Roll Flutter Engine from a22dd6438335 to 843ce0bba356 (6 revisions) (#127116)

https://github.com/flutter/engine/compare/a22dd6438335...843ce0bba356

2023-05-18 skia-flutter-autoroll@skia.org Roll Skia from a3a9fb5f4a31 to ad8fa4a38668 (1 revision) (flutter/engine#42121)
2023-05-18 skia-flutter-autoroll@skia.org Roll Dart SDK from 7f6fabbe9fba to 1991015ad460 (4 revisions) (flutter/engine#42120)
2023-05-18 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from wNfsef5we4l8hxEII... to jNFpQ1gTCMNbzSZCw... (flutter/engine#42118)
2023-05-18 skia-flutter-autoroll@skia.org Roll Skia from caff30d16ae7 to a3a9fb5f4a31 (1 revision) (flutter/engine#42117)
2023-05-18 skia-flutter-autoroll@skia.org Roll Skia from ffa425bacfc4 to caff30d16ae7 (29 revisions) (flutter/engine#42116)
2023-05-18 chris@bracken.jp [macOS] Clean up PlatformView mutator scaling (flutter/engine#42110)

Also rolling transitive DEPS:
  fuchsia/sdk/core/mac-amd64 from wNfsef5we4l8 to jNFpQ1gTCMNb

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 rmistry@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://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

bin/internal/engine.version

-a22dd64383358d40e0edd08fc0837cb0c93f1283
+843ce0bba356fbb53c93ef56abc02a79436637c1

bin/internal/fuchsia-mac.version

-wNfsef5we4l8hxEIInAneq33eH-afSvrZ4qntHWghSAC
+jNFpQ1gTCMNbzSZCwZMwcnjLPdZNa2EKPOWtXUh0Cx4C