Roll src/third_party/skia b64db38b854b..897f256413c1 (4 commits) (#5875)

Auto-roller completed checks. Merging.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': 'b64db38b854bd8f6d564b7741ebf4795d130d168',
+  'skia_revision': '897f256413c13d932a3c6f34eebe156c96defab8',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

travis/licenses_golden/licenses_skia

-Signature: 539a1849c5471865264c3a4b9dd168f6
+Signature: 5707f0851de1ee8f47c3e8a14c377845
 
 UNUSED LICENSES: