Roll Flutter Engine from b494143fb0bc to 2df3b9c4b2a4 (3 revisions) (#130973)

https://github.com/flutter/engine/compare/b494143fb0bc...2df3b9c4b2a4

2023-07-20 skia-flutter-autoroll@skia.org Roll Skia from d09e9869f84c to 65a83c4de7f2 (2 revisions) (flutter/engine#43847)
2023-07-20 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from 7kGBjmX-zBXcg1svE... to SmAtKPfGzPllC9gfO... (flutter/engine#43845)
2023-07-20 skia-flutter-autoroll@skia.org Roll Skia from b238c09fe959 to d09e9869f84c (1 revision) (flutter/engine#43842)

Also rolling transitive DEPS:
  fuchsia/sdk/core/mac-amd64 from 7kGBjmX-zBXc to SmAtKPfGzPll

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 bdero@google.com,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

-b494143fb0bc68864adafa02b42f26f23a04bd40
+2df3b9c4b2a4e4a11bb94dad1ecbd38df6669301

bin/internal/fuchsia-mac.version

-7kGBjmX-zBXcg1svEd78lkHB3n85_cD7LYmNYYdeQlMC
+SmAtKPfGzPllC9gfOpu2NtueRGB1spsiuLFWR8bhThoC