Roll Skia from 9ce15f8b2c7e to c23d19fdf117 (2 revisions) (flutter/engine#54889)

https://skia.googlesource.com/skia.git/+log/9ce15f8b2c7e..c23d19fdf117

2024-08-30 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Skia Infra from e04dcb74a523 to 3bd0a4a92866 (7 revisions)
2024-08-30 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Dawn from 2d913200c831 to 91a753ae9ce1 (20 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,egdaniel@google.com,matanl@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://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

DEPS

@@ -14,7 +14,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': '9ce15f8b2c7e96432a592570cb07d74668ea5601',
+  'skia_revision': 'c23d19fdf1176740302ad7bf38970bf82b46f370',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: ce5b68f1b0bf7375f92de600c1b2de49
+Signature: 6a24970f9ebc42d3d1e1cad7888bce03
 
 ====================================================================================================
 LIBRARY: etc1