Roll third_party/externals/angle2 df0ce01870fa..a7ff7df26f28 (5 commits)

https://chromium.googlesource.com/angle/angle.git/+log/df0ce01870fa..a7ff7df26f28

git log df0ce01870fa..a7ff7df26f28 --date=short --no-merges --format='%ad %ae %s'
2019-09-07 syoussefi@chromium.org Vulkan: Improve wording of PresentSemaphores.md
2019-09-06 geofflang@chromium.org Don't block setting the DEPTH_STENCIL attachment based on the resource format.
2019-09-06 timvp@google.com Refactor ShaderVariable to Remove Specializations
2019-09-06 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/glslang/src 34953810a62c..664ad418f845 (1 commits)
2019-09-06 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/spirv-tools/src 19b256616d96..b218ad19949f (2 commits)

Created with:
  gclient setdep -r third_party/externals/angle2@a7ff7df26f28

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-skia-autoroll
Please CC mtklein@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

CQ_INCLUDE_TRYBOTS=skia.primary:Build-Debian9-Clang-x86_64-Release-ANGLE;skia.primary:Test-Win10-Clang-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-Golo-GPU-QuadroP400-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUC8i5BEK-GPU-IntelIris655-x86_64-Debug-All-ANGLE;skia.primary:Test-Win10-Clang-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-All-ANGLE
Bug: None
TBR=mtklein@google.com
Change-Id: Ie591b94f47fe24b851dfd66198e99c16659e207b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/240162
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