Roll Flutter Engine from fc7c3f70c076 to 43653c5a3ec8 (1 revision) (#137827)

https://github.com/flutter/engine/compare/fc7c3f70c076...43653c5a3ec8

2023-11-03 skia-flutter-autoroll@skia.org Roll Skia from 3db534b066e0 to e5a6f9e79b0a (1 revision) (flutter/engine#47642)

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://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

-fc7c3f70c076c2452afee6360022008ed96c55bc
+43653c5a3ec896fe404e990daacb4971f4aaacc1