Roll Flutter Engine from b413d9996c86 to 38e9be1f74fa (2 revisions) (f…

…lutter#157604)

flutter/engine@b413d99...38e9be1

2024-10-25 [email protected] Clean up comments and names in FlView (flutter/engine#56084)
2024-10-25 [email protected] Move platform handler from FlView to FlEngine (flutter/engine#56024)

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 [email protected],[email protected] 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

@@ -1 +1 @@
-b413d9996c863259660a2c5eaaf8ce26e8bed711
+38e9be1f74fa48fc9fa0b8cb456bb52e99b6b6b5