Roll src/third_party/skia 56f569d..81e8d3b (7 commits) (#13277)

https://skia.googlesource.com/skia.git/+log/56f569d9bec2..81e8d3b29662

git log 56f569d..81e8d3b --date=short --no-merges --format='%ad %ae %s'
2019-10-21 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-10-21 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-10-21 fmalita@chromium.org [skottie] fix clangtidy warning
2019-10-21 kjlubick@google.com [fuzzing] Add two fuzzers for SkDescriptor
2019-10-21 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-10-21 bsalomon@google.com Simplify sk_gpu_test::MakeTextureProxyFromData.
2019-10-21 halcanary@google.com SkPDF: simplify Producer metadata logic

Created with:
  gclient setdep -r src/third_party/skia@81e8d3b29662

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC michaelludwig@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

Bug: None
TBR=michaelludwig@google.com

Author: skia-flutter-autoroll

DEPS

@@ -26,7 +26,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '56f569d9bec28656b18712e14b14e34795af85eb',
+  'skia_revision': '81e8d3b296629532589e58625eec2a59378edf35',
 
   # 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: 1bf82617b69186a3dacb0d78a1d6e23a
+Signature: 1de4c64848adec6c9e7d9357434573e8
 
 UNUSED LICENSES:
 
@@ -5229,12 +5229,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 ====================================================================================================
 LIBRARY: skia
-ORIGIN: ../../../third_party/skia/fuzz/oss_fuzz/FuzzSKSL2GLSL.cpp + ../../../third_party/skia/LICENSE
+ORIGIN: ../../../third_party/skia/fuzz/oss_fuzz/FuzzAPISkDescriptor.cpp + ../../../third_party/skia/LICENSE
 TYPE: LicenseType.bsd
+FILE: ../../../third_party/skia/fuzz/FuzzSkDescriptor.cpp
+FILE: ../../../third_party/skia/fuzz/oss_fuzz/FuzzAPISkDescriptor.cpp
 FILE: ../../../third_party/skia/fuzz/oss_fuzz/FuzzSKSL2GLSL.cpp
 FILE: ../../../third_party/skia/fuzz/oss_fuzz/FuzzSKSL2Metal.cpp
 FILE: ../../../third_party/skia/fuzz/oss_fuzz/FuzzSKSL2Pipeline.cpp
 FILE: ../../../third_party/skia/fuzz/oss_fuzz/FuzzSKSL2SPIRV.cpp
+FILE: ../../../third_party/skia/fuzz/oss_fuzz/FuzzSkDescriptorDeserialize.cpp
 ----------------------------------------------------------------------------------------------------
 Copyright 2019 Google, LLC