Roll src/third_party/skia 665bc64..406b068 (8 commits) (#8137)

https://skia.googlesource.com/skia.git/%2Blog/665bc64a2dc4..406b068942f0

git log 665bc64..406b068 --date=short --no-merges --format=%ad %ae %s
2019-03-12 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader abb5785..6193cb1 (1 commits)
2019-03-12 gkaiser@google.com GrQuadPerEdgeAA: Fix typo in 'if' check
2019-03-12 kjlubick@google.com [pathkit] Clean up perf/test init
2019-03-12 bsalomon@google.com Revert "Reintroduce deinstantiate lazy proxy types and use for promise images."
2019-03-11 robertphillips@google.com Always explicitly allocate except in Android Framework (take 2)
2019-03-12 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-11 brianosman@google.com Remove SkToSRGBColorFilter (now unused)
2019-03-12 rmistry@google.com Add new recipe autoroller service account to list of recognized accounts

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 (benjaminwagner@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': '665bc64a2dc41cfa36a471dc01e37c28f2def2b4',
+  'skia_revision': '406b068942f00a729dd03461b723ac04bda61b43',
 
   # 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: f273dca586b4d4128723611e149ca435
+Signature: a4c67abd90b802f779c15f927456b53d
 
 UNUSED LICENSES:
 
@@ -1717,8 +1717,6 @@ FILE: ../../../third_party/skia/src/effects/SkTrimPE.h
 FILE: ../../../third_party/skia/src/effects/SkTrimPathEffect.cpp
 FILE: ../../../third_party/skia/src/gpu/GrContextThreadSafeProxyPriv.h
 FILE: ../../../third_party/skia/src/gpu/GrDDLContext.cpp
-FILE: ../../../third_party/skia/src/gpu/GrDeinstantiateProxyTracker.cpp
-FILE: ../../../third_party/skia/src/gpu/GrDeinstantiateProxyTracker.h
 FILE: ../../../third_party/skia/src/gpu/GrDriverBugWorkarounds.cpp
 FILE: ../../../third_party/skia/src/gpu/GrFPArgs.h
 FILE: ../../../third_party/skia/src/gpu/GrLegacyDirectContext.cpp
@@ -4232,7 +4230,6 @@ FILE: ../../../third_party/skia/gm/srgb.cpp
 FILE: ../../../third_party/skia/gm/testgradient.cpp
 FILE: ../../../third_party/skia/gm/text_scale_skew.cpp
 FILE: ../../../third_party/skia/gm/thinconcavepaths.cpp
-FILE: ../../../third_party/skia/gm/tosrgb_colorfilter.cpp
 FILE: ../../../third_party/skia/include/android/SkAndroidFrameworkUtils.h
 FILE: ../../../third_party/skia/include/atlastext/SkAtlasTextContext.h
 FILE: ../../../third_party/skia/include/atlastext/SkAtlasTextFont.h
@@ -4249,7 +4246,6 @@ FILE: ../../../third_party/skia/include/core/SkSurfaceCharacterization.h
 FILE: ../../../third_party/skia/include/core/SkVertices.h
 FILE: ../../../third_party/skia/include/docs/SkXPSDocument.h
 FILE: ../../../third_party/skia/include/effects/SkHighContrastFilter.h
-FILE: ../../../third_party/skia/include/effects/SkToSRGBColorFilter.h
 FILE: ../../../third_party/skia/include/encode/SkEncoder.h
 FILE: ../../../third_party/skia/include/encode/SkJpegEncoder.h
 FILE: ../../../third_party/skia/include/encode/SkPngEncoder.h
@@ -4421,7 +4417,6 @@ FILE: ../../../third_party/skia/src/core/SkVptr.h
 FILE: ../../../third_party/skia/src/core/SkWritePixelsRec.h
 FILE: ../../../third_party/skia/src/effects/SkDashImpl.h
 FILE: ../../../third_party/skia/src/effects/SkHighContrastFilter.cpp
-FILE: ../../../third_party/skia/src/effects/SkToSRGBColorFilter.cpp
 FILE: ../../../third_party/skia/src/gpu/GrAHardwareBufferImageGenerator.cpp
 FILE: ../../../third_party/skia/src/gpu/GrAHardwareBufferImageGenerator.h
 FILE: ../../../third_party/skia/src/gpu/GrBackendSurface.cpp