Roll Skia from 25fafff5b32c to 99a76ea8e1b2 (2 revisions)

https://skia.googlesource.com/skia.git/+log/25fafff5b32c..99a76ea8e1b2

2023-08-24 nscobie@google.com Parameterize ImageAsyncReadPixels by renderability and origin
2023-08-24 johnstiles@google.com Revert "Factor out ContextType from GrContextFactory."

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,jimgraham@google.com,lovisolo@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': '25fafff5b32c62ea0c46c011f2e4f2d2b7f06efb',
+  'skia_revision': '99a76ea8e1b2e01beab47b2593f8f681e5ae3526',
 
   # 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: 0eac497351bbf573fcec87e47be68f94
+Signature: 1eb789fe4f559d1ff3297b7286e97868
 
 ====================================================================================================
 LIBRARY: etc1