Roll src/third_party/skia 576eb87..99ccc0c (5 commits) (flutter#8328)

https://skia.googlesource.com/skia.git/%2Blog/576eb87a2d2d..99ccc0ca87e6

git log 576eb87..99ccc0c --date=short --no-merges --format=%ad %ae %s
2019-03-27 mtklein@google.com lazy svg parsing in TestSVGTypeface
2019-03-27 mtklein@google.com split up skia_srcs() in public.bzl
2019-03-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 518c679..c240abe (1 commits)
2019-03-27 bsalomon@google.com Disable texture storage on Android over command buffer.
2019-03-27 mtklein@google.com update DM_SRCS to build tools/HashAndEncode

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 (stani@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': '576eb87a2d2d58d169a2bf52cc99ab077c91a8a7',
+  'skia_revision': '99ccc0ca87e6d255d1477923cec3a2b9732959ec',
 
   # 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: e0cb03599ce070b93c6fb67f4215d634
+Signature: 34a282f02f7fb9a128e84ed0217e8743
 
 UNUSED LICENSES: