Roll src/third_party/skia 459ecee2cbdc..6dfc55454671 (2 commits) (#17663)

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': '459ecee2cbdc2bad7a3c750af64ebff194c73ea5',
+  'skia_revision': '6dfc554546710dcd1b52db60fe23031cf8499893',
 
   # 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: 058ee3f539b545b97fc0ec27768fa9ab
+Signature: c4a1638e2e0e7c2c9906edea6665c5f6
 
 UNUSED LICENSES: