Roll external/skia 60c0c8fcd..22d6c27f3 (29 commits)

https://skia.googlesource.com/skia.git/+log/60c0c8fcd..22d6c27f3

2018-11-10 kjlubick@google.com Convert skottie's cloud build to use CanvasKit
2018-11-10 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update go_deps asset
2018-11-10 caryclark@skia.org fix bookmaker
2018-11-10 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-11-09 stani@google.com Revert "Improve degenerate 2pt conical gradient cases"
2018-11-09 mtklein@google.com oops, forgot tests only run in Android roll
2018-11-09 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-11-09 reed@google.com Revert "rm legacy flags for hinting enum"
2018-11-09 jvanverth@google.com Verify YUVA channel information and add premultiplied alpha
2018-11-09 caryclark@skia.org fix bookmaker
2018-11-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 5d2dfa46c05c..50bf0429394d (1 commits)
2018-11-09 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-11-09 herb@google.com Remove runIndex as a concept for GrTextBlob
2018-11-09 reed@google.com rm legacy flags for hinting enum
2018-11-09 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-11-09 herb@google.com Reland "Move remove ptr args to MakeRecAndEffects"
2018-11-09 herb@google.com Revert "Move remove ptr args to MakeRecAndEffects"
2018-11-09 herb@google.com Move remove ptr args to MakeRecAndEffects
2018-11-09 halcanary@google.com SkQP: revert change that broke something
2018-11-09 mtklein@google.com clean up SkBlitRow_opts
2018-11-09 halcanary@google.com SkQP run_skqp.sh catches crashes and failures now.
2018-11-09 jvanverth@google.com Merge common code for SkImage_Gpu and SkImage_GpuYUVA.
2018-11-09 mtklein@google.com move LCD blits to SkBlitter_ARGB32.cpp
2018-11-09 michaelludwig@google.com Improve degenerate 2pt conical gradient cases
2018-11-09 reed@google.com Reland "remove guards for hinting in google3"
2018-11-09 reed@google.com Revert "remove guards for hinting in google3"
2018-11-09 mtklein@google.com move blend-row routines to SkBlitter_ARGB32.cpp
2018-11-09 mtklein@google.com get familiar with SkBlitMask_D32.cpp
2018-11-09 egdaniel@google.com Revert "Have a GrBackendFormat be stored on gpu proxies."

The AutoRoll server is located here: https://autoroll-internal.skia.org/r/android-master-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.

Test: Presubmit checks will test this change.
Change-Id: I52f12a5933284fa9244487d07b009ab698675731
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.