Roll external/skia 5b8e2b899..da066b865 (15 commits)
https://skia.googlesource.com/skia.git/+log/5b8e2b899..da066b865
2017-07-13 rmistry@google.com Revert "Revert "Temporarily stop uploading to partner bucket in RecreateSKPs bot""
2017-07-13 reed@google.com Revert "Experimental blur code with 32 bit fix."
2017-07-13 bsalomon@google.com Make RegionOp a non-legacy GrMeshDrawOp
2017-07-12 halcanary@google.com SkPDF: start to support AlphaOnly Images as masks.
2017-07-12 egdaniel@google.com Add arc support to gpu Obj c++ code
2017-07-12 halcanary@google.com SkPDF: simplify drawImage/Bitmap/Sprite code.
2017-07-12 fmalita@chromium.org Add some raster pipeline perspective asserts
2017-07-12 herb@google.com Experimental blur code with 32 bit fix.
2017-07-12 brianosman@google.com On Windows, always re-create window for GL or Vulkan
2017-07-12 brianosman@google.com Move expensive initialization to onOnceBeforeDraw
2017-07-12 bsalomon@google.com Revert "Revert "Make DashOp a non-legacy GrMeshDrawOp.""
2017-07-12 reed@google.com remove references to kIndex_8_SkColorType from our tools/tests
2017-07-12 liyuqian@google.com Implement Sk4i's abs, min, max
2017-07-12 brianosman@google.com Extend final point in closed degenerate hairline segments
2017-07-12 bsalomon@google.com Fix assert in lattice op triggered by GLProgramsTest
Test: Presubmit checks will test this change.
Change-Id: I630da0fbf81c6f76dd33b20ef81b606ec6292fa7