Roll src/third_party/skia 22fabca..6788a54 (1 commits) (#7145)

https://skia.googlesource.com/skia.git/+log/22fabcae16d9..6788a54afe2d


Created with:
  gclient setdep -r src/third_party/skia@6788a54afe2d

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

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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Author: skia-flutter-autoroll

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': '22fabcae16d970cfbe96de85bb27962ece274dd2',
+  'skia_revision': '6788a54afe2da92479067b60b663fb502d43b107',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the