Roll third_party/externals/angle2 1ad7a07212b2..3fb957a00ba3 (4 commits)

https://chromium.googlesource.com/angle/angle.git/+log/1ad7a07212b2..3fb957a00ba3


git log 1ad7a07212b2..3fb957a00ba3 --date=short --no-merges --format='%ad %ae %s'
2019-05-01 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/spirv-tools/src 736376dbf989..32af42616abe (6 commits)
2019-04-30 shrekshao@google.com Fix error report when active color buffer has no fs output
2019-04-30 geofflang@chromium.org Vulkan: Wrap aquire semaphore in a vk::Scoped
2019-04-30 geofflang@chromium.org Vulkan: Add an unMakeCurrent for contexts.


Created with:
  gclient setdep -r third_party/externals/angle2@3fb957a00ba3

The AutoRoll server is located here: https://autoroll.skia.org/r/angle-skia-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.

CQ_INCLUDE_TRYBOTS=skia.primary:Build-Debian9-Clang-x86_64-Release-ANGLE;skia.primary:Perf-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia.primary:Perf-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE;skia.primary:Perf-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia.primary:Perf-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE;skia.primary:Perf-Win10-Clang-ShuttleC-GPU-GTX960-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-ShuttleC-GPU-GTX960-x86_64-Debug-All-ANGLE
TBR=ethannicholas@google.com

Change-Id: I55c3730e733b4f4a061dbc5479d75fa78aafb026
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211541
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
1 file changed