Roll Flutter Engine from 9bb0a5907403 to effea50196ca (1 revision) (#128678)

https://github.com/flutter/engine/compare/9bb0a5907403...effea50196ca

2023-06-12 skia-flutter-autoroll@skia.org Roll Dart SDK from 0c4f3ae7464c to a4611bd71a52 (1 revision) (flutter/engine#42751)

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 jacksongardner@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

-9bb0a59074036751da2288a9aa866ef929210b10
+effea50196ca4ee957b24d37c3e6766654bde549