Roll Skia from b6d158aaf3dd to e4b4ca1050b9 (1 revision) (#18592)

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': 'b6d158aaf3ddd44a2b6bb2428de65b94645427d6',
+  'skia_revision': 'e4b4ca1050b9e2087f37bf0f597243c916fd9923',
 
   # 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: 146315b65820981efa22a0f118591750
+Signature: 55b1c0f7f5136e134bb4d9cf14181c51
 
 UNUSED LICENSES: