Roll Flutter Engine from 85f3f02e5c37 to 54175da7ba90 (2 revisions) (#134531)

https://github.com/flutter/engine/compare/85f3f02e5c37...54175da7ba90

2023-09-12 skia-flutter-autoroll@skia.org Roll Skia from 5b94fc73a36e to 8d11fcb3068a (1 revision) (flutter/engine#45703)
2023-09-12 skia-flutter-autoroll@skia.org Roll Skia from 72e5b5c8d5f0 to 5b94fc73a36e (1 revision) (flutter/engine#45701)

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 bdero@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

-85f3f02e5c37ddebb2557e90dfbc2b8bbdd782f7
+54175da7ba90fce5bfe80db072dfc041fb1e1a6a