Roll external/skia 22e536e3a..5183e649e (19 commits)

https://skia.googlesource.com/skia.git/+log/22e536e3a..5183e649e

2018-03-07 csmartdalton@google.com ccpr: Combine GS triangle hulls and edges into a single draw
2018-03-07 bsalomon@google.com Make Vulkan testing-only backend textures have optimal layout
2018-03-07 bsalomon@google.com Rename wrap backend tex/rt methods on GrProxyProvider
2018-03-07 robertphillips@google.com Have GrGlyphCache and GrAtlasManager compute the atlas limits independently
2018-03-07 angle-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com Roll skia/third_party/externals/angle2/ 7618eaf9a..2202680c6 (4 commits)
2018-03-07 csmartdalton@google.com ccpr: Fix very small edges
2018-03-07 reed@google.com Revert "Revert "add tiler for SkDraw""
2018-03-07 robertphillips@google.com Revise Text & Small Path Atlas so instantiation failure is handled at flush time
2018-03-07 reed@google.com chop down huge rects before hairlining
2018-03-07 skcms-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com Roll skia/third_party/externals/skcms/ 8a7ec86c0..da8c41528 (1 commit)
2018-03-07 bsalomon@google.com Initial texture data is never flipped when uploaded.
2018-03-07 herb@google.com Revert "Remove attach and detach glyph cache."
2018-03-07 bsalomon@google.com Remove abandon param from GrGpu::deleteTestingOnlyBackendTexture.
2018-03-07 mtklein@chromium.org Reland "Reland "make SkJumper stages normal Skia code""
2018-03-07 mtklein@google.com Revert "Reland "make SkJumper stages normal Skia code""
2018-03-07 herb@google.com Remove attach and detach glyph cache.
2018-03-07 mtklein@chromium.org Reland "make SkJumper stages normal Skia code"
2018-03-07 bungeman@google.com Remove dm excludes from public.bzl.
2018-03-07 mtklein@chromium.org Revert "make SkJumper stages normal Skia code"

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Change-Id: Iaa3f70cc18082ad47f92005205bc6f8ae25f90f9
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