Roll Skia from e9d783c4d235 to 688e0966cb16 (1 revision) (#20584)

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': 'e9d783c4d235d6bf8b27de1a1de84ff1ef846fb2',
+  'skia_revision': '688e0966cb1669d63b0764cdb3d64ea1c847d9da',
 
   # 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: bc8a81a30e6dd36aedab4541061d51af
+Signature: c40d10c710a7088c30a29ac285ee28ae
 
 UNUSED LICENSES: