Roll Skia from 4e2c9b5e4dad to f46928e7f50c (1 revision) (#187996)

https://skia.googlesource.com/skia.git/+log/4e2c9b5e4dad..f46928e7f50c

2026-06-14 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
vulkan-deps from 7bfc18a5a2d4 to fdbd11044b7e (1 revision)

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 brettos@google.com,jsimmons@google.com,kjlubick@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

diff --git a/DEPS b/DEPS
index 2326215..b394b0e 100644
--- a/DEPS
+++ b/DEPS
@@ -16,7 +16,7 @@
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
   'dart_ai_rev': '9c96bfe5f091c9451eff5b59c9bffeb2e806b875',
-  'skia_revision': '4e2c9b5e4dadeceb2187412633c6e386e87a975c',
+  'skia_revision': 'f46928e7f50cbabaf99ef002e964abe4ed54439a',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.