Roll src/third_party/skia 1f02e84..8f88b2d (3 commits) (#9116)

https://skia.googlesource.com/skia.git
/%2Blog/1f02e8488551..8f88b2d

git log 1f02e84..8f88b2d --date=short --no-merges --format=%ad %ae %s
2019-05-28 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-05-28 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-05-28 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

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 ([email protected]), and stop
the roller if necessary.

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': '1f02e8488551c43d3497fba9a3b0896aafc2c9cf',
+  'skia_revision': '8f88b2da05d542620a7e5d97aec917714b5cf8fc',
 
   # 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

@@ -1,4 +1,4 @@
-Signature: 67503b56f56ec3c3c6d84decd597368d
+Signature: 0d26040b252177881acbcdb6adddd38b
 
 UNUSED LICENSES: