Roll Skia from fc0ac31a46f8 to 46af4ad25426 (1 revision) (flutter#38403)

https://skia.googlesource.com/skia.git/+log/fc0ac31a46f8..46af4ad25426

2022-12-19 [email protected] Reland "Add SkPicture support for SkMesh"

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC [email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
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

Author: skia-flutter-autoroll

DEPS

@@ -18,7 +18,7 @@ vars = {
   'llvm_git': 'https://llvm.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': 'fc0ac31a46f8988bfa26bd06e2258d79f81c69aa',
+  'skia_revision': '46af4ad25426d16ebf89f872dae346e2c5e5f116',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: e9d3ab8a559e232b70d4087a749c1fe2
+Signature: 74175550da07665c633e830f01b234e5
 
 ====================================================================================================
 LIBRARY: etc1