Roll src/third_party/skia 538e358b0d82..f04f21a5c913 (2 commits) (#17260)

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': '538e358b0d82bcf155943cfe34ef5f924b39ef7e',
+  'skia_revision': 'f04f21a5c91357352a41b55a357666702064a5f5',
 
   # 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: a4d09cdc4a4c896c25db5bdb286e2805
+Signature: 8f53050411db4cb0f5aea62f7ebf48b7
 
 UNUSED LICENSES: