Roll Skia from 0b66c6928dcf to 2d531d020c26 (3 revisions)

https://skia.googlesource.com/skia.git/+log/0b66c6928dcf..2d531d020c26

2023-06-15 [email protected] [graphite] Fix extra semicolons for runtime effect constants/structs
2023-06-15 [email protected] Add color mode to Viewer::Mesh slide
2023-06-15 [email protected] Many-stop gradients: Convert texture to destination space

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 [email protected],[email protected],[email protected],[email protected] 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': '0b66c6928dcf7e097f8bd12cd33d45c8343220d0',
+  'skia_revision': '2d531d020c260d1761179b7145e4a9fd64db3219',
 
   # 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: b7ed5cf42d559d7464ef8ee66079c49b
+Signature: 471fe578b288caff4974e1aca344a942
 
 ====================================================================================================
 LIBRARY: etc1