Roll src/third_party/skia 487132b..acc763e (1 commits) (flutter#7318)

https://skia.googlesource.com/skia.git/+log/487132b82826..acc763e8795c


Created with:
  gclient setdep -r src/third_party/skia@acc763e8795c

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Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
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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': '487132b828260f271d9e7d6ab52226db55b94f4f',
+  'skia_revision': 'acc763e8795c694d0fb7c74a412b1805446754ff',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the