Roll Skia from b3c1f49821d8 to d923bab3d5fa (2 revisions) (#46118)

https://skia.googlesource.com/skia.git/+log/b3c1f49821d8..d923bab3d5fa

2023-09-20 [email protected] Add pack/unpack intrinsics to WGSL code generator.
2023-09-20 [email protected] Roll vulkan-deps from b8fa58ef74a9 to 2aba50a6944f (14 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 [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': 'b3c1f49821d89a77328cca9b97252dbbaecd25ae',
+  'skia_revision': 'd923bab3d5facd39a517f8fa555deb3ed33ce27b',
 
   # 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: d5351ea7fed04e8f6f52a506e0cdba81
+Signature: 0d91c5c5ff84a2740d194a6659598ab1
 
 ====================================================================================================
 LIBRARY: etc1