Roll Flutter Engine from a198ad4e740d to 0bba9eeb8f5d (1 revision) (#137437)

https://github.com/flutter/engine/compare/a198ad4e740d...0bba9eeb8f5d

2023-10-27 zanderso@users.noreply.github.com Move shaderc to flutter/third_party (flutter/engine#47383)

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 aaclarke@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

-a198ad4e740d64483ebb62cc60bafdc5aa01851f
+0bba9eeb8f5dc54785ed6cecf8fe64c9311f3e69