Roll src/third_party/skia d198821..c97c900 (2 commits)

https://skia.googlesource.com/skia.git/+log/d1988219065a..c97c90072499

git log d198821..c97c900 --date=short --first-parent --format='%ad %ae %s'
2020-03-23 fmalita@chromium.org [sksg] Remove redundant BUILD.gn deps
2020-03-23 bsalomon@google.com Revert "Revert "Drawing YUVA images does not flatten for bicubic.""

Created with:
  gclient setdep -r src/third_party/skia@c97c90072499

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 robertphillips@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

Bug: None
Tbr: robertphillips@google.com

DEPS

@@ -26,7 +26,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': 'd1988219065ad7cf6e56f8c72682372ff41fe3ba',
+  'skia_revision': 'c97c9007249952b2168e0ae3650ddfea36f76b07',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: fab57c5339109e1e97cd8d611dd69072
+Signature: c11944f8b3438729cd124a85b612f4af
 
 UNUSED LICENSES: