Roll src/third_party/skia 348227b89430..05ff93c43ea5 (2 commits) (#7901)

https://skia.googlesource.com/skia.git/%2Blog/348227b89430..05ff93c43ea5

git log 348227b8943013f86d689bac0f8db8b287e96d97..05ff93c43ea57fd62cd1bc36ab7cd9b6112a7ecf --date=short --no-merges --format=%ad %ae %s
2019-02-21 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 eef531f1716a..08573730b75a (5 commits)
2019-02-21 recipe-roller@chromium.org 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 (jvanverth@google.com), and stop
the roller if necessary.

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': '348227b8943013f86d689bac0f8db8b287e96d97',
+  'skia_revision': '05ff93c43ea57fd62cd1bc36ab7cd9b6112a7ecf',
 
   # 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: 7ed7cdd0833f8ee6a543292f0775c7d8
+Signature: 4d97ab682f6fb8caddbd4000b3db475c
 
 UNUSED LICENSES: