Roll Skia from a3fe5233eb10 to b7508e2f2577 (3 revisions) (#39634)

https://skia.googlesource.com/skia.git/+log/a3fe5233eb10..b7508e2f2577

2023-02-14 jmbetancourt@google.com add window context tooling uncoupled from sk_app
2023-02-14 nicolettep@google.com [graphite] Add VulkanTexture::setImageLayout and associated methods
2023-02-14 johnstiles@google.com Remove Xoogler from SkSL owners.

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,jacksongardner@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': 'a3fe5233eb10272d29a1b8d7d54e60b844e6cc1a',
+  'skia_revision': 'b7508e2f257751e168add493e2a1c416a69a98cb',
 
   # 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: f017e13a7244dbbb57a69dc75b846832
+Signature: 283df1e9ac0c6a1f5a46a45b60567baa
 
 ====================================================================================================
 LIBRARY: etc1