Roll Flutter Engine from 6c8f7b566a22 to d55b673f895c (1 revision) (#138890)

https://github.com/flutter/engine/compare/6c8f7b566a22...d55b673f895c

2023-11-22 skia-flutter-autoroll@skia.org Roll Skia from cc9006085362 to af2bd26a3a5e (1 revision) (flutter/engine#48307)

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 jacksongardner@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://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

-6c8f7b566a2229cb9ae8672eeead8d5ac8680d1d
+d55b673f895c9a820894546d783fd4470706a8e7