Roll Flutter Engine from b41494f009f4 to e96c18b6c5ee (1 revision) (#143722)

https://github.com/flutter/engine/compare/b41494f009f4...e96c18b6c5ee

2024-02-19 flar@google.com [Impeller] Run stroke benchmarks on unclosed paths (flutter/engine#50765)

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 jsimmons@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

-b41494f009f44e95cca58e254407f45ad586cba6
+e96c18b6c5ee022867c73a30fd445b8fbfb2365e