Roll src/third_party/skia 9564bf44e5fa..8619a34bb875 (10 commits) (#7732)

https://skia.googlesource.com/skia.git/%2Blog/9564bf44e5fa..8619a34bb875

git log 9564bf44e5fa000c32ae9390326181dbd89c4b59..8619a34bb87565dfcfc3818ceab065e93ea183e6 --date=short --no-merges --format=%ad %ae %s
2019-02-07 reed@google.com Revert "Hide setDrawLooper -- deprecate loopers"
2019-02-07 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2019-02-07 brianosman@google.com Remove duplicate entry in harfbuzz GN file
2019-02-07 bsalomon@google.com Use different classes for client side arrays and GPU buffer objects.
2019-02-07 abarth@google.com [fuchsia] Update path to fuchsia.fonts
2019-02-06 robertphillips@google.com Add support for Mtl backend to DeferredDisplayListTest
2019-02-07 fmalita@chromium.org [skshaper] Add per-line callback
2019-02-07 jvanverth@google.com Set correct uniform size for Metal.
2019-02-07 fmalita@chromium.org [skottie] Use SkShaper for text
2019-02-07 mtklein@google.com move Reporter::reportFailedWithContext() out of line

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 (fmalita@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': '9564bf44e5fa000c32ae9390326181dbd89c4b59',
+  'skia_revision': '8619a34bb87565dfcfc3818ceab065e93ea183e6',
 
   # 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: f4ff8040dcefe800abe8f206b00e11a4
+Signature: 4429bc6b2c346cb26cff0ef1e4042cf7
 
 UNUSED LICENSES:
 
@@ -695,8 +695,6 @@ FILE: ../../../third_party/skia/src/gpu/GrAppliedClip.h
 FILE: ../../../third_party/skia/src/gpu/GrAuditTrail.cpp
 FILE: ../../../third_party/skia/src/gpu/GrBitmapTextureMaker.cpp
 FILE: ../../../third_party/skia/src/gpu/GrBitmapTextureMaker.h
-FILE: ../../../third_party/skia/src/gpu/GrBuffer.cpp
-FILE: ../../../third_party/skia/src/gpu/GrBuffer.h
 FILE: ../../../third_party/skia/src/gpu/GrClipStackClip.cpp
 FILE: ../../../third_party/skia/src/gpu/GrClipStackClip.h
 FILE: ../../../third_party/skia/src/gpu/GrColorSpaceXform.cpp
@@ -4350,9 +4348,13 @@ FILE: ../../../third_party/skia/src/core/SkDescriptor.cpp
 FILE: ../../../third_party/skia/src/gpu/GrAHardwareBufferUtils.cpp
 FILE: ../../../third_party/skia/src/gpu/GrAHardwareBufferUtils.h
 FILE: ../../../third_party/skia/src/gpu/GrBaseContextPriv.h
+FILE: ../../../third_party/skia/src/gpu/GrBuffer.h
 FILE: ../../../third_party/skia/src/gpu/GrContextPriv.cpp
 FILE: ../../../third_party/skia/src/gpu/GrContextThreadSafeProxy.cpp
 FILE: ../../../third_party/skia/src/gpu/GrContext_Base.cpp
+FILE: ../../../third_party/skia/src/gpu/GrCpuBuffer.h
+FILE: ../../../third_party/skia/src/gpu/GrGpuBuffer.cpp
+FILE: ../../../third_party/skia/src/gpu/GrGpuBuffer.h
 FILE: ../../../third_party/skia/src/gpu/GrImageContext.cpp
 FILE: ../../../third_party/skia/src/gpu/GrImageContextPriv.h
 FILE: ../../../third_party/skia/src/gpu/GrRecordingContext.cpp