Roll Skia from b72fececbdcc to 8ffd5c20d634 (3 revisions) (flutter#39114)

https://skia.googlesource.com/skia.git/+log/b72fececbdcc..8ffd5c20d634

2023-01-24 [email protected] [sksl][wgsl] Support for trivial ternary expressions
2023-01-24 [email protected] Create a BranchCtx for Raster Pipeline branch ops.
2023-01-24 [email protected] Roll Dawn from f0d8edecee77 to c744a23d77d5 (11 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 [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': 'b72fececbdcc33de292f4fd16db13e51e2243a03',
+  'skia_revision': '8ffd5c20d634df8b5050a08e30fa7d1ca8d27ef1',
 
   # 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: 709e7daeeca1fe103fc0cc0ec380429f
+Signature: 118aba1058fcd2145af6abd5278199dc
 
 ====================================================================================================
 LIBRARY: etc1