Roll src/third_party/skia 21a486d04ae0..9fb7fa537d93 (21 commits) (flutter#9639)

https://skia.googlesource.com/skia.git
/%2Blog/21a486d04ae0..9fb7fa537d93

git log 21a486d04ae034a9f4dcdc874a59b41391174db8..9fb7fa537d938618991922bfffa627e442db67f0 --date=short --no-merges --format=%ad %ae %s
2019-07-01 brianosman@google.com Fix asserts in EllipticalRRectOp::Make to match logic of make_rrect_op
2019-07-01 jvanverth@google.com Re-enable Metal buffer suballocation with extra mutex guard.
2019-07-01 mtklein@google.com more --loops 1
2019-06-28 herb@google.com Use bulk metrics call in SkFont
2019-07-01 robertphillips@google.com Add GrProtected parameter to all createBackendTexture variants
2019-07-01 bsalomon@google.com Reenable GPU ReadPixels tests on ANGLE ES2
2019-07-01 bsalomon@google.com Make GrCaps::surfaceSupportsReadPixels return distinct values rather than flags.
2019-07-01 fmalita@chromium.org [skottie] Cleanup: split off layers into own CUs
2019-07-01 ethannicholas@google.com SkSL now respects layout(key) on all variables
2019-07-01 brianosman@google.com Revert "Test MSAA on Gen9 Intel GPUs"
2019-07-01 mtklein@google.com move SkVM interpreter back to SkVM.cpp
2019-07-01 bsalomon@google.com Pass alpha type to GrSurfaceContext::read/writePixels and remove flags.
2019-07-01 mtklein@google.com finish up arm64 ops
2019-06-28 brianosman@google.com Test MSAA on Gen9 Intel GPUs
2019-07-01 mtklein@google.com auto-tune nanobench in all builds
2019-07-01 robertphillips@google.com Add SkSurfaceCharacterization::isCompatible
2019-07-01 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go deps
2019-07-01 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 923c30fba116..f116aa9c158b (14 commits)
2019-07-01 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 40495290dceb..52edb176f1bd (7 commits)
2019-07-01 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 9ef8c105f0dc..d38e9bb41f04 (418 commits)
2019-07-01 michaelludwig@google.com Revert "Switch drawTexture calls to use attemptQuadOptimization"

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 (jvanverth@google.com), and stop
the roller if necessary.

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': '21a486d04ae034a9f4dcdc874a59b41391174db8',
+  'skia_revision': '9fb7fa537d938618991922bfffa627e442db67f0',
 
   # 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: 8edc904126bf9ea0c9079e0c06944ffd
+Signature: f735619d37aa7d2aae3d5fab04aa019a
 
 UNUSED LICENSES:
 
@@ -1467,14 +1467,13 @@ FILE: ../../../third_party/skia/modules/skottie/src/SkottieAdapter.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/SkottieAdapter.h
 FILE: ../../../third_party/skia/modules/skottie/src/SkottieJson.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/SkottieJson.h
-FILE: ../../../third_party/skia/modules/skottie/src/SkottieLayer.cpp
-FILE: ../../../third_party/skia/modules/skottie/src/SkottiePrecompLayer.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/SkottiePriv.h
 FILE: ../../../third_party/skia/modules/skottie/src/SkottieProperty.cpp
-FILE: ../../../third_party/skia/modules/skottie/src/SkottieShapeLayer.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/SkottieTest.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/SkottieTool.cpp
-FILE: ../../../third_party/skia/modules/skottie/src/text/TextLayer.cpp
+FILE: ../../../third_party/skia/modules/skottie/src/layers/PrecompLayer.cpp
+FILE: ../../../third_party/skia/modules/skottie/src/layers/ShapeLayer.cpp
+FILE: ../../../third_party/skia/modules/skottie/src/layers/TextLayer.cpp
 FILE: ../../../third_party/skia/modules/skottie/utils/SkottieUtils.cpp
 FILE: ../../../third_party/skia/modules/skottie/utils/SkottieUtils.h
 FILE: ../../../third_party/skia/modules/sksg/include/SkSGClipEffect.h
@@ -5448,6 +5447,8 @@ FILE: ../../../third_party/skia/include/private/GrContext_Base.h
 FILE: ../../../third_party/skia/include/private/GrImageContext.h
 FILE: ../../../third_party/skia/include/private/GrRecordingContext.h
 FILE: ../../../third_party/skia/include/private/SkVx.h
+FILE: ../../../third_party/skia/modules/skottie/src/Composition.cpp
+FILE: ../../../third_party/skia/modules/skottie/src/Layer.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/effects/DropShadowEffect.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/effects/Effects.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/effects/Effects.h
@@ -5462,6 +5463,9 @@ FILE: ../../../third_party/skia/modules/skottie/src/effects/TintEffect.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/effects/TransformEffect.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/effects/TritoneEffect.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/effects/VenetianBlindsEffect.cpp
+FILE: ../../../third_party/skia/modules/skottie/src/layers/ImageLayer.cpp
+FILE: ../../../third_party/skia/modules/skottie/src/layers/NullLayer.cpp
+FILE: ../../../third_party/skia/modules/skottie/src/layers/SolidLayer.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/text/RangeSelector.cpp
 FILE: ../../../third_party/skia/modules/skottie/src/text/RangeSelector.h
 FILE: ../../../third_party/skia/modules/skottie/src/text/SkottieShaper.cpp
@@ -5518,7 +5522,6 @@ FILE: ../../../third_party/skia/src/gpu/mtl/GrMtlCommandBuffer.mm
 FILE: ../../../third_party/skia/src/gpu/mtl/GrMtlDepthStencil.h
 FILE: ../../../third_party/skia/src/gpu/vk/GrVkSecondaryCBDrawContext.cpp
 FILE: ../../../third_party/skia/src/gpu/vk/GrVkSecondaryCBDrawContext.h
-FILE: ../../../third_party/skia/src/opts/SkVM_opts.h
 FILE: ../../../third_party/skia/src/shaders/SkRTShader.cpp
 FILE: ../../../third_party/skia/src/shaders/SkRTShader.h
 FILE: ../../../third_party/skia/src/sksl/SkSLDefines.h