Roll Skia from f0410a265d2b to 504a26e85fc6 (1 revision) (flutter/engine#42907)

https://skia.googlesource.com/skia.git/+log/f0410a265d2b..504a26e85fc6

2023-06-16 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Skia Infra from 894306cf4c91 to d044984a01de (5 revisions)

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,chinmaygarde@google.com,herb@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

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': 'f0410a265d2bf80ae91010b557441db09b9c3e72',
+  'skia_revision': '504a26e85fc64013823e3eb290d6a06e35386955',
 
   # 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: 25ead15383f7089cdac9800157de4026
+Signature: bdb2c134c439947d9bbf219d0cd43246
 
 ====================================================================================================
 LIBRARY: etc1