Roll Flutter Engine from 785b24900a36 to 3c8852827646 (2 revisions) (#132530)

https://github.com/flutter/engine/compare/785b24900a36...3c8852827646

2023-08-14 skia-flutter-autoroll@skia.org Roll Skia from 69ea58157190 to 58397bfd9ab6 (8 revisions) (flutter/engine#44698)
2023-08-14 matanlurey@users.noreply.github.com Update `web_ui/**` to explicitly pass `--local-engine-host` to the `flutter` tool. (flutter/engine#44613)

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://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

-785b24900a360ed872d1f779a65d6c062ce69448
+3c8852827646e1740f930bc4d3cae62875b2b605