Roll Flutter Engine from 98b6fabc66bb to 2a84ea55e4ef (10 revisions) (#125714)

https://github.com/flutter/engine/compare/98b6fabc66bb...2a84ea55e4ef

2023-04-28 zanderso@users.noreply.github.com Revert "Replace deprecated and internal Skia EncodedImage calls with public versions" (flutter/engine#41595)
2023-04-28 maruel@gmail.com Roll buildroot to c96c9d4641714301fab450a5f3b0f3c42712e1e3 (flutter/engine#41589)
2023-04-28 ychris@google.com [platform_view] Only dispose view when it is removed from the composition order (flutter/engine#41521)
2023-04-28 gspencergoog@users.noreply.github.com Determine lifecycle by looking at window focus also (flutter/engine#41094)
2023-04-28 zanderso@users.noreply.github.com Increase timeout for clang-tidy on mac (flutter/engine#41588)
2023-04-28 bdero@google.com [Impeller] Always enable validation for goldens (flutter/engine#41574)
2023-04-28 maruel@gmail.com fuchsia: do not read version_history.json (flutter/engine#41585)
2023-04-28 skia-flutter-autoroll@skia.org Roll Dart SDK from c7160d4ea0b7 to 8e9bf2bb9878 (5 revisions) (flutter/engine#41586)
2023-04-28 kjlubick@users.noreply.github.com Replace deprecated and internal Skia EncodedImage calls with public versions (flutter/engine#41368)
2023-04-28 skia-flutter-autoroll@skia.org Roll Skia from 05d09f28250a to 9867fa253064 (18 revisions) (flutter/engine#41584)

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

-98b6fabc66bb3181cce3f17fcf5d78801216bcaf
+2a84ea55e4ef4e573b8277dd024fd097cd2242f8