Roll src/third_party/skia 255569187f27..71a23d4195d9 (1 commits) (#8003)

https://skia.googlesource.com/skia.git/%2Blog/255569187f27..71a23d4195d9

git log 255569187f27d854a78ce67a62713fadc2d5e292..71a23d4195d96dbf200fbf10fb887dbcc83bd1da --date=short --no-merges --format=%ad %ae %s
2019-02-28 fmalita@chromium.org [canvaskit] Consolidate Skottie assets

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 (scroggo@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': '255569187f27d854a78ce67a62713fadc2d5e292',
+  'skia_revision': '71a23d4195d96dbf200fbf10fb887dbcc83bd1da',
 
   # 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: 84d0579ee895fb12763c036a74644ea9
+Signature: c82fdb93a1014dcf85c470bff90ccc4b
 
 UNUSED LICENSES: