Roll external/skia d80870f3d..152f51d53 (5 commits)
https://skia.googlesource.com/skia.git/+log/d80870f3d..152f51d53
2017-10-17 kramerb@google.com Remove unused variable
2017-10-17 reed@google.com Revert[4] "apply codec origin in generator"
2017-10-17 bsalomon@google.com Make GPU backend triangulate rects such that they are rendered as tri strips rather than tri fans.
2017-10-17 csmartdalton@google.com Add sk_InstanceID
2017-10-17 angle-deps-roller@chromium.org Roll skia/third_party/externals/angle2/ bf90b6032..cc8e2738d (6 commits)
Test: Presubmit checks will test this change.
Change-Id: Ic483b63fd07a20cbb648c4298b9e5cef6aefb946
Exempt-From-Owner-Approval: The autoroll bot does not require owner approval.