Roll Skia from c497dae2fedb to c634411c51e6 (1 revision) (#46714)

https://skia.googlesource.com/skia.git/+log/c497dae2fedb..c634411c51e6

2023-10-10 lokokung@google.com [webgpu-headers] Add macros to prepare for removing signalValue arg.

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,johnstiles@google.com,jsimmons@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://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': 'c497dae2fedb127770ae44a607e0a5b4d296e72f',
+  'skia_revision': 'c634411c51e63bbdaaa82bbadf5e7f0de35f5a61',
 
   # 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: c8de6749e6f74d4cf0c5d1678c656e3c
+Signature: d22c58a2a6558945585bfc81d7517149
 
 ====================================================================================================
 LIBRARY: etc1