Roll Flutter Engine from 3baca2fe55c8 to a7a842ee9ccd (1 revision) (#131243)

https://github.com/flutter/engine/compare/3baca2fe55c8...a7a842ee9ccd

2023-07-25 skia-flutter-autoroll@skia.org Roll Skia from 4bfaf9944a68 to 1d55f968ca23 (1 revision) (flutter/engine#43991)

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

-3baca2fe55c8b47e84722b0d901dc71195fd9ed3
+a7a842ee9ccd2ffe5d59154efe80687ecc36b909