Roll external/skia d48a6facb..556350de3 (7 commits)
https://skia.googlesource.com/skia.git/+log/d48a6facb..556350de3
2018-10-12 kjlubick@google.com Add Perf jobs for PathKit
2018-10-12 jvanverth@google.com Connect up YUVA images for testing.
2018-10-12 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 49336beaa6cf..f417d9d7404f (6 commits)
2018-10-12 bsalomon@google.com Skip visiting for allocator gathering in GrTextureOp when all proxies are not recyclable.
2018-10-12 mtklein@google.com tiny extra optimization for SkColor4fXformer
2018-10-12 ethannicholas@google.com converted AARectEffect to new FP system
2018-10-12 kjlubick@google.com Add Vulkan to BuildStats-Mini
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: Ia7c76bd845ee15b719cd03965c73e42f6d42bc52
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.