Roll Skia from 5b2dae1a9b54 to 86454ab4f3de (1 revision) (flutter/engine#46175)

https://skia.googlesource.com/skia.git/+log/5b2dae1a9b54..86454ab4f3de

2023-09-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll SK Tool from af63cb4763f0 to 8ddc74eefa73

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,jonahwilliams@google.com,rmistry@google.com,tdenniston@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

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': '5b2dae1a9b549aaa1d9d43103ff4e7db87a4b6d2',
+  'skia_revision': '86454ab4f3dedb9f1487b3847bd498e5c29280b3',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.