Roll Flutter Engine from 2139c8a90822 to bfda8f173fea (2 revisions) (#130321)

https://github.com/flutter/engine/compare/2139c8a90822...bfda8f173fea

2023-07-11 skia-flutter-autoroll@skia.org Roll Skia from eb1cdb6bd87f to 5c8ed590d4f3 (1 revision) (flutter/engine#43549)
2023-07-11 skia-flutter-autoroll@skia.org Roll Dart SDK from f9d33db51927 to b3e9621a423e (2 revisions) (flutter/engine#43547)

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 aaclarke@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

-2139c8a90822d6dacc129a51fa02672c4e564157
+bfda8f173fea20b3a148a7e4ca6cd14767f9e157