Roll Skia from 3b1401c4870d to 87dbc81b421f (4 revisions) (#39457)

https://skia.googlesource.com/skia.git/+log/3b1401c4870d..87dbc81b421f

2023-02-07 [email protected] Build runtime files
2023-02-07 [email protected] Switch path and drawable from action to digest
2023-02-07 [email protected] Use path and drawable API correctly
2023-02-07 [email protected] Implement pop-slots simplification code recursively.

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

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': '3b1401c4870d1f62f452d755ee73c14152a96734',
+  'skia_revision': '87dbc81b421f5c33a9609e3407c42d5c59e05c81',
 
   # 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: 12ae326bf165a78cae8c5c30311e4a7d
+Signature: 42bb3657e9775c404289fa92ce4295fa
 
 ====================================================================================================
 LIBRARY: etc1