Roll Skia from 4c1856aadb85 to 7881ad4aae92 (1 revision) (flutter/engine#53681)

https://skia.googlesource.com/skia.git/+log/4c1856aadb85..7881ad4aae92

2024-07-02 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ANGLE from 4f23429a1f09 to d8700dc951b6 (3 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 aaclarke@google.com,brianosman@google.com,rmistry@google.com,robertphillips@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': '4c1856aadb85ad6c7593458cf1d4248c2e9f64a6',
+  'skia_revision': '7881ad4aae92dee1915cc255f8687b5e5b159814',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.