Roll Flutter Engine from 4f6ed31bd8bd to bdfa8aa8f81f (1 revision) (#137941)

https://github.com/flutter/engine/compare/4f6ed31bd8bd...bdfa8aa8f81f

2023-11-06 skia-flutter-autoroll@skia.org Roll Dart SDK from 96664852accc to 9211fc6406bb (1 revision) (flutter/engine#47706)

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

-4f6ed31bd8bdbc1e0fe921b082d1b154f944c5c7
+bdfa8aa8f81f27a1ef89b4c118f7df3f7bc8a028