Roll src/third_party/skia af89d39..fe19203 (5 commits) (#10819)

https://skia.googlesource.com/skia.git/+log/af89d3972e0b..fe19203eb7d7

git log af89d39..fe19203 --date=short --no-merges --format='%ad %ae %s'
2019-08-10 csmartdalton@google.com Initiate regeneration of mipmaps from proxy DAG land
2019-08-09 senorblanco@chromium.org Dawn: remove a faulty assert.
2019-08-09 senorblanco@chromium.org Dawn backend: implement stencil, primitive topology, separate blends.
2019-08-09 bsalomon@google.com Add SkUNREACHABLE to definition of SK_ABORT.
2019-08-09 bungeman@google.com Move initilization of Lighting sample.

Created with:
  gclient setdep -r src/third_party/skia@fe19203eb7d7

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, who should
be CC'd on the roll, and stop the roller if necessary.


Bug: None
TBR=reed@google.com

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': 'af89d3972e0b077cf1628bfe7ca1efd6f9edf942',
+  'skia_revision': 'fe19203eb7d7e8bef528287494d82c2eb4efff0e',
 
   # 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: 1a00e182162322a120ff175a5d29c02a
+Signature: 3ce91d077a3d7736b90c7d1b2d7fbc78
 
 UNUSED LICENSES:
 
@@ -4836,6 +4836,8 @@ FILE: ../../../third_party/skia/src/gpu/GrShaderUtils.cpp
 FILE: ../../../third_party/skia/src/gpu/GrShaderUtils.h
 FILE: ../../../third_party/skia/src/gpu/GrSwizzle.cpp
 FILE: ../../../third_party/skia/src/gpu/GrTextureResolveManager.h
+FILE: ../../../third_party/skia/src/gpu/GrTextureResolveRenderTask.cpp
+FILE: ../../../third_party/skia/src/gpu/GrTextureResolveRenderTask.h
 FILE: ../../../third_party/skia/src/gpu/GrUtil.h
 FILE: ../../../third_party/skia/src/gpu/effects/GrColorMatrixFragmentProcessor.fp
 FILE: ../../../third_party/skia/src/gpu/effects/generated/GrColorMatrixFragmentProcessor.cpp
@@ -5009,6 +5011,8 @@ FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnProgramDataManager.cpp
 FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnProgramDataManager.h
 FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnRenderTarget.cpp
 FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnRenderTarget.h
+FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnStencilAttachment.cpp
+FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnStencilAttachment.h
 FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnUniformHandler.cpp
 FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnUniformHandler.h
 FILE: ../../../third_party/skia/src/gpu/dawn/GrDawnUtil.cpp