Roll Flutter Engine from adfc3af300a9 to e5a860c5479c (3 revisions) (#129228)

https://github.com/flutter/engine/compare/adfc3af300a9...e5a860c5479c

2023-06-21 jason-simmons@users.noreply.github.com Implement the APNG_DISPOSE_OP_BACKGROUND disposal method in the animated PNG decoder (flutter/engine#42933)
2023-06-21 skia-flutter-autoroll@skia.org Roll Skia from 13d83a6912ce to cc164404690f (1 revision) (flutter/engine#43024)
2023-06-20 tamird@google.com Roll buildroot to 6e71c38443c0bf9d8954c87bf69bb4e019f44f94 (flutter/engine#43019)

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://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

-adfc3af300a9d83b975983994d14b84296af0d22
+e5a860c5479c103977621611b12d139a6a83f4b4