Roll Skia from 65fd10118ec2 to 646573154de6 (3 revisions) (#168360)

https://skia.googlesource.com/skia.git/+log/65fd10118ec2..646573154de6

2025-05-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll
SwiftShader from 9dd03f2e4b03 to 093b4d82a49a (1 revision)
2025-05-06 syoussefi@google.com Reland "Load Vulkan dynamic state entry
points"
2025-05-06 syoussefi@google.com [graphite][vulkan] Replace `memset` with
`= {}`

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
jsimmons@google.com,kjlubick@google.com,robertphillips@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': '65fd10118ec24f95e78771b614c7de994563024c',
+  'skia_revision': '646573154de6ff716b8b176e58546e3c3acdbc41',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 09ee122ada932eb31bd9f25ecc2f7104
+Signature: 6fde7f6a7956691ec3ae11ae03b0334f
 
 ====================================================================================================
 LIBRARY: etc1