Roll Skia from dd6a4e3655fc to bc4f22353590 (6 revisions) (#46299)

https://skia.googlesource.com/skia.git/+log/dd6a4e3655fc..bc4f22353590

2023-09-26 brianosman@google.com [graphite] Support .000r read-swizzle (to be used for alpha-only)
2023-09-26 armansito@google.com [graphite][dawn] Fix resource leak of GPU-only storage
2023-09-26 kjlubick@google.com Update Skia callsites of GrDirectContexts::MakeGL
2023-09-26 ccameron@chromium.org SkGainmapInfo: Post-launch cleanup
2023-09-26 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from d2408a4517eb to 250d0ebaea5e (5 revisions)
2023-09-26 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from 9fc3baf5a19f to c9955641bcc2 (6 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,bungeman@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': 'dd6a4e3655fc5787d05bc4fd34cc48889267f4aa',
+  'skia_revision': 'bc4f22353590c00387382b359c8dbda03ab00e18',
 
   # 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: c2eefcde064d0e266da9d32658d43f44
+Signature: d7d28427699e2e01c70037787c729de6
 
 ====================================================================================================
 LIBRARY: etc1