Manual roll Flutter Engine from eb8fac2b1703 to 74737820a8ee (8 revisions) (flutter#152305)

Manual roll requested by zra@google.com

flutter/engine@eb8fac2...7473782

2024-07-25 yjbanov@google.com [web] better class names for semantics (flutter/engine#54070)
2024-07-25 jonahwilliams@google.com Disable FlutterMetalLayer by default. (flutter/engine#54095)
2024-07-25 skia-flutter-autoroll@skia.org Roll Dart SDK from 0b3c00feefb1 to 693848f200d7 (1 revision) (flutter/engine#54092)
2024-07-25 gspencergoog@users.noreply.github.com Remove incorrect line (flutter/engine#54021)
2024-07-24 zanderso@users.noreply.github.com [et] Better RBE defaults (flutter/engine#54059)
2024-07-24 skia-flutter-autoroll@skia.org Roll Skia from 55ecdde3a5fa to 746d444f3efd (2 revisions) (flutter/engine#54091)
2024-07-24 jonahwilliams@google.com [iOS] Switch to FlutterMetalLayer by default. (flutter/engine#54086)
2024-07-24 skia-flutter-autoroll@skia.org Roll Skia from 54d1434637a1 to 55ecdde3a5fa (3 revisions) (flutter/engine#54089)

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 jonahwilliams@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

Author: engine-flutter-autoroll

bin/internal/engine.version

@@ -1 +1 @@
-eb8fac2b170377ec8b575ebd52e33505a164b05d
+74737820a8ee57f893ec325c1fd221aa8b8557fd