Roll Flutter Engine from 4f87c20b3c34 to 64b0e07e2259 (4 revisions) (#137582)

https://github.com/flutter/engine/compare/4f87c20b3c34...64b0e07e2259

2023-10-30 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from jCjz-imbNBDjiRVa1... to sBjtpAHoetjF77qxg... (flutter/engine#47482)
2023-10-30 skia-flutter-autoroll@skia.org Roll Dart SDK from 85e149f894df to c8f75afabaf1 (1 revision) (flutter/engine#47479)
2023-10-30 zanderso@users.noreply.github.com Update package:equatable pin (flutter/engine#47475)
2023-10-30 matanlurey@users.noreply.github.com [Impeller] Switch from `glBlitFramebuffer` to implicit MSAA resolution. (flutter/engine#47282)

Also rolling transitive DEPS:
  fuchsia/sdk/core/mac-amd64 from jCjz-imbNBDj to sBjtpAHoetjF

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 aaclarke@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

-4f87c20b3c342a3fb0975cb91ecbfb18fb3adb46
+64b0e07e2259539bf236e724d5945939458429dc

bin/internal/fuchsia-mac.version

-jCjz-imbNBDjiRVa1ZGnjlkwNO4vctk5EC2e9ikMyh8C
+sBjtpAHoetjF77qxgTxAOxZVN-K0i3ybX_F1jYJHrusC