Roll Skia from 5230650dc096 to 70a3a194ec98 (2 revisions) (flutter#39554)

https://skia.googlesource.com/skia.git/+log/5230650dc096..70a3a194ec98

2023-02-10 [email protected] Add RP support for mix(vec, vec, bvec).
2023-02-10 [email protected] Add ES3 test for mix intrinsic.

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

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': '5230650dc09609cdd610929ed3fe754fb9bb5597',
+  'skia_revision': '70a3a194ec988e99e06d1ce33c6f77e28db737cd',
 
   # 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: aea250fb9671e097c7969736cf56a4fe
+Signature: 08d541a101613741170f5023e240bfa4
 
 ====================================================================================================
 LIBRARY: etc1