Roll Flutter Engine from e6ceb3504f50 to 1478f4e75dd9 (1 revision) (#143273)

https://github.com/flutter/engine/compare/e6ceb3504f50...1478f4e75dd9

2024-02-10 skia-flutter-autoroll@skia.org Roll Dart SDK from 0119704af522 to c64c3d6bae2f (1 revision) (flutter/engine#50538)

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 chinmaygarde@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

-e6ceb3504f509bf215dd7c37955470551b767735
+1478f4e75dd9b1b8d25853bac651aae97ad79f57