Roll Skia from 7ac9b5fdb6ee to 318afe66e699 (6 revisions) (#19333)

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': '7ac9b5fdb6ee226601ab468cdc957c1650f96bbf',
+  'skia_revision': '318afe66e699970ebf789718b5a2297f783ed712',
 
   # 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: 8fa944f3dbd232ff78f3e21e069bcc68
+Signature: 12f199ca01cae48d8fcc98fb326568d2
 
 UNUSED LICENSES: