Roll skia/third_party/externals/angle2/ 1b7ed0ef2..981f0f8f6 (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/1b7ed0ef2d23..981f0f8f6a34

$ git log 1b7ed0ef2..981f0f8f6 --date=short --no-merges --format='%ad %ae %s'
2017-09-21 jmadill Add flag to do a fast pass through perf tests.
2017-09-20 jmadill D3D11: Minor optimizations to vertex attribute application.
2017-09-20 jmadill Minor cleanup to setIndexBuffer.
2017-09-20 jmadill Improve the speed of MarkAttachmentsDirty.

Created with:
  roll-dep skia/third_party/externals/angle2
BUG=725308


Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls


CQ_INCLUDE_TRYBOTS=skia.primary:Perf-Win10-MSVC-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-ANGLE,Perf-Win10-MSVC-Golo-GPU-QuadroP400-x86_64-Debug-ANGLE,Perf-Win10-MSVC-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-ANGLE,Perf-Win10-MSVC-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-ANGLE,Perf-Win10-MSVC-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-ANGLE,Perf-Win10-MSVC-ShuttleC-GPU-GTX960-x86_64-Debug-ANGLE,Test-Win10-MSVC-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-ANGLE,Test-Win10-MSVC-Golo-GPU-QuadroP400-x86_64-Debug-ANGLE,Test-Win10-MSVC-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-ANGLE,Test-Win10-MSVC-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-ANGLE,Test-Win10-MSVC-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-ANGLE,Test-Win10-MSVC-ShuttleC-GPU-GTX960-x86_64-Debug-ANGLE
TBR=fmalita@google.com

Change-Id: I69a0ded10bc43bfd7aaaa01cd9b03cc12c31bfa7
Reviewed-on: https://skia-review.googlesource.com/49820
Reviewed-by: angle-deps-roller . <angle-deps-roller@chromium.org>
Commit-Queue: angle-deps-roller . <angle-deps-roller@chromium.org>
1 file changed