Roll external/skia 06a7257b4..5cab45e54 (6 commits)
https://skia.googlesource.com/skia.git/+log/06a7257b4..5cab45e54
2019-04-18 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-04-18 reed@google.com remove experimental from some APIs (that are no longer experiments)
2019-04-18 michaelludwig@google.com Fix quad type detection from SkPoint array
2019-04-18 brianosman@google.com Remove the axis-aligned vector special case to convexity checker
2019-04-18 ethannicholas@google.com fixed assertion failure in skslc SPIR-V output
2019-04-18 bungeman@google.com Make more SkTypeface virtuals pure.
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: I6e17681d5da4af86b1989d280245c6cc3c9145d1
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.