Roll Flutter Engine from a9fe88e09131 to 4987e5468152 (2 revisions) (#136022)

https://github.com/flutter/engine/compare/a9fe88e09131...4987e5468152

2023-10-05 skia-flutter-autoroll@skia.org Roll Skia from f0cbcb892b2b to 2be211c972d5 (1 revision) (flutter/engine#46579)
2023-10-05 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from Q0h8rkXPNpWBnlAnS... to -RGP9v0n9shWn5yg1... (flutter/engine#46578)

Also rolling transitive DEPS:
  fuchsia/sdk/core/mac-amd64 from Q0h8rkXPNpWB to -RGP9v0n9shW

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 chinmaygarde@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

-a9fe88e09131460b30bb5a201ee902e837c8cb41
+4987e54681529824330ae754f355742d39846fdf

bin/internal/fuchsia-mac.version

-Q0h8rkXPNpWBnlAnSLNL5A6pto3js8axhJn5AUck6jEC
+-RGP9v0n9shWn5yg11uhSfeSxWKITjtZcfzyAnSQpjAC