Roll Flutter Engine from afd2d9f9421d to a31209171949 (1 revision) (#144554)

https://github.com/flutter/engine/compare/afd2d9f9421d...a31209171949

2024-03-04 skia-flutter-autoroll@skia.org Roll Skia from ff3199348aab to 9c7d13c05e77 (5 revisions) (flutter/engine#51168)

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

-afd2d9f9421dfe06f6feb4538a509a08f774dce0
+a31209171949cf5d75af6ea7bae88081627bc028