Roll Skia from c7794fee8063 to d8427844b843 (2 revisions) (#52671)

https://skia.googlesource.com/skia.git/+log/c7794fee8063..d8427844b843

2024-05-08 michaelludwig@google.com [graphite] Delete duplicate null check/warning
2024-05-08 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from e70a70873c7b to cb509807efbe (1 revision)

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,rmistry@google.com,zra@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

Author: skia-flutter-autoroll

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': 'c7794fee80633070f2738239fb4ce792bcad81fd',
+  'skia_revision': 'd8427844b843668ba0e81ae013aedde9aebcc2ea',
 
   # 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: ac73c5eeec4665c9449839594eb08f74
+Signature: de637806d74611b916ccf51d310ff740
 
 ====================================================================================================
 LIBRARY: etc1