Roll Skia from 640fa258fc75 to f0fc6aa4d797 (1 revision) (flutter#39548)

https://skia.googlesource.com/skia.git/+log/640fa258fc75..f0fc6aa4d797

2023-02-10 herb@google.com Add preparing images, paths, and drawables to API

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,kjlubick@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://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

Author: skia-flutter-autoroll

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': '640fa258fc75a4016a0644546b1855d4db99b039',
+  'skia_revision': 'f0fc6aa4d7973f0f18d115a92586b651b293c65b',
 
   # 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: 44d0a60e230d80b6b18d18e50e1dd8eb
+Signature: f18b95d9e54669efd73f82c8d8a76a76
 
 ====================================================================================================
 LIBRARY: etc1