Roll Flutter Engine from 5253a33096d1 to a5e7fa6bf81a (1 revision) (#134137)

https://github.com/flutter/engine/compare/5253a33096d1...a5e7fa6bf81a

2023-09-06 skia-flutter-autoroll@skia.org Roll Skia from 2cc5d8f0b0ef to d603af2045ce (1 revision) (flutter/engine#45490)

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 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

-5253a33096d1880769e839ef4f718405d5c8a0f4
+a5e7fa6bf81a7cb15be526308f0d7abe4aa0457a