Roll Flutter Engine from 912c61f30512 to 34b304a27f73 (1 revision) (#145511)

https://github.com/flutter/engine/compare/912c61f30512...34b304a27f73

2024-03-21 skia-flutter-autoroll@skia.org Roll Dart SDK from 0f00e7188e0e to 43662466cee8 (1 revision) (flutter/engine#51572)

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://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

-912c61f30512f560a342778bd648022aff32394b
+34b304a27f732582918e736aea6b706ffa64e27f