Roll Skia from adc688922877 to a298431a1370 (6 revisions) (#23086)

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': 'adc68892287780eb85e149b9348bffc38751fe10',
+  'skia_revision': 'a298431a13705b80b282f84eb8435a3a0118dbea',
 
   # 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

-Signature: 92d5e46deddf028934b1f60135dbd1e0
+Signature: 8e72bcb14019e1a7496201a825239b4f
 
 UNUSED LICENSES: