Roll Flutter Engine from 605528f293d0 to b4551c72487c (1 revision) (#125795)

https://github.com/flutter/engine/compare/605528f293d0...b4551c72487c

2023-05-01 skia-flutter-autoroll@skia.org Roll Dart SDK from 823a69e2a34d to a433ca08e7e2 (3 revisions) (flutter/engine#41631)

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 jsimmons@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

-605528f293d05feb82ba859759910109caebf46f
+b4551c72487cd6a108407c84490f58bf1d492a62