Roll Flutter Engine from 54293721816a to c838a1b05924 (2 revisions) (#128161)

https://github.com/flutter/engine/compare/54293721816a...c838a1b05924

2023-06-03 skia-flutter-autoroll@skia.org Roll Skia from daf2219fec54 to 656de7fc6994 (23 revisions) (flutter/engine#42534)
2023-06-03 bdero@google.com Revert "[Impeller] Add Impeller Metal support in the embedder API (#42411)" (flutter/engine#42532)

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 jonahwilliams@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

-54293721816abeb0c8fe9ed629d9897a7527fc13
+c838a1b0592457ee75a6197ccb0ad7fd93e7ba5c