Roll third_party/externals/angle2 791ad7b8774a..31b524cf60b7 (9 commits)
Roll third_party/externals/angle2 791ad7b8774a..31b524cf60b7 (9 commits)

https://chromium.googlesource.com/angle/angle.git/+log/791ad7b8774a..31b524cf60b7

git log 791ad7b8774a..31b524cf60b7 --date=short --no-merges --format='%ad %ae %s'
2019-09-02 jmadill@chromium.org Roll Chromium DEPS.
2019-09-02 jmadill@chromium.org Re-enable -Wextra-semi-stmt.
2019-09-02 jmadill@chromium.org Vulkan: Update dEQP-GLES2 Android test expectations.
2019-09-02 lujc@google.com Use MemoryObjectID in place of GLuint handle
2019-09-02 jmadill@chromium.org Vulkan: Lift failing Wintel test expectation.
2019-09-02 cwallez@chromium.org Also skip ComputeShaderTest.UniformDirty/ES3_1_Vulkan on Win/NVIDIA
2019-09-02 cwallez@chromium.org Revert "Vulkan: Debug overlay"
2019-09-02 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/spirv-tools/src 73422a0a5ee1..65e362b7ae2a (6 commits)
2019-09-02 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/glslang/src 796df2d74e05..92f5afdee0ab (2 commits)

Created with:
  gclient setdep -r third_party/externals/angle2@31b524cf60b7

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 jlavrova@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=jlavrova@google.com
Change-Id: I302ba423e3a96feaff60b4bdfa788f8f9de3a563
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/238781
Reviewed-by: skia-autoroll <e034c62197df5622a9c1bef8b3e012f87a0a9840@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <e034c62197df5622a9c1bef8b3e012f87a0a9840@skia-public.iam.gserviceaccount.com>

google/skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,HalCanary/skia-hc,HalCanary/skia-hc,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,HalCanary/skia-hc,google/skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,google/skia,HalCanary/skia-hc,google/skia,google/skia,aosp-mirror/platform_external_skia,google/skia,HalCanary/skia-hc,google/skia,HalCanary/skia-hc,HalCanary/skia-hc,HalCanary/skia-hc,aosp-mirror/platform_external_skia