Roll Skia from 98601d1c3ff4 to 46e7fea48565 (1 revision) (#51950)

https://skia.googlesource.com/skia.git/+log/98601d1c3ff4..46e7fea48565

2024-04-05 dcheng@chromium.org Reland "Zero-initialize Vec components to avoid MSan warnings"

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 brianosman@google.com,kjlubick@google.com,matanl@google.com,rmistry@google.com 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://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

DEPS

@@ -14,7 +14,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': '98601d1c3ff4b6c8460e7b4422b89e8ffbd72693',
+  'skia_revision': '46e7fea4856513fcda6f99fd56300fb09267bdbd',
 
   # 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: d4c5e203d66e5385044532e2f4c8557a
+Signature: 87fd06a6c27f3e6d3eca04798495fa00
 
 ====================================================================================================
 LIBRARY: etc1