Roll src/third_party/skia c476e5da4fef..576eb87a2d2d (7 commits) (flu…

…tter#8324)

https://skia.googlesource.com/skia.git/%2Blog/c476e5da4fef..576eb87a2d2d

git log c476e5da4fef336e5071e5a93b1beacda8ad92f0..576eb87a2d2d58d169a2bf52cc99ab077c91a8a7 --date=short --no-merges --format=%ad %ae %s
2019-03-27 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader df5b28fdb45c..e43cda5f76de (1 commits)
2019-03-26 michaelludwig@google.com Fix paint filter quality in draw_image_set GM
2019-03-26 enne@chromium.org Add a function to compute texture sizes
2019-03-25 mtklein@google.com FM, a dumber new testing tool
2019-03-27 rmistry@google.com Fix RecreateSKPs bot page sets III
2019-03-27 robertphillips@google.com Minor cleanup of GrResourceAllocator
2019-03-27 fmalita@chromium.org [skottie] Fix handling of hidden shapes and layers

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': 'c476e5da4fef336e5071e5a93b1beacda8ad92f0',
+  'skia_revision': '576eb87a2d2d58d169a2bf52cc99ab077c91a8a7',
 
   # 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: 7d66ee2bd2b68f3fa7c207bb28d06a35
+Signature: e0cb03599ce070b93c6fb67f4215d634
 
 UNUSED LICENSES: