Roll Flutter Engine from b3af5d64d3e6 to 233bd6263c62 (8 revisions) (#138116)

https://github.com/flutter/engine/compare/b3af5d64d3e6...233bd6263c62

2023-11-08 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Upgrade Android SDK to 34 "UpsideDownCake"" (flutter/engine#47834)
2023-11-08 skia-flutter-autoroll@skia.org Roll Skia from e585bb68893b to 1241a903cd33 (2 revisions) (flutter/engine#47830)
2023-11-08 34871572+gmackall@users.noreply.github.com Upgrade Android SDK to 34 "UpsideDownCake" (flutter/engine#47609)
2023-11-08 chris@bracken.jp [macOS] Allocate textures as unique_ptr earlier (flutter/engine#47786)
2023-11-08 flar@google.com Reland "[Impeller] add support for Skia concept of RRect::isSimple needed for DL dispatching" (flutter/engine#47824)
2023-11-08 skia-flutter-autoroll@skia.org Roll Skia from e2b8ebe16203 to e585bb68893b (7 revisions) (flutter/engine#47826)
2023-11-08 jonahwilliams@google.com [Impeller] Add support for specialization constants (III). (flutter/engine#47765)
2023-11-08 30870216+gaaclarke@users.noreply.github.com [Impeller] Documented the 2 step in the gaussian blur. (flutter/engine#47822)

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 bdero@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

-b3af5d64d3e6e2110b07d71909fc432537339659
+233bd6263c62919eae8989375d835a006ea28a71