Roll third_party/externals/angle2 51b5a3222b60..e4b3136913c6 (6 commits)

https://chromium.googlesource.com/angle/angle.git/+log/51b5a3222b60..e4b3136913c6

git log 51b5a3222b60..e4b3136913c6 --date=short --no-merges --format='%ad %ae %s'
2019-11-18 syoussefi@chromium.org Update front-end image test failures' bug number
2019-11-18 syoussefi@chromium.org Vulkan: Fix col-major transformation of unsized arrays
2019-11-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-headers/src d42d0747ee1b..ba6cbb047868 (1 commits)
2019-11-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-validation-layers/src f8ea20adee82..e2441190bb0c (42 commits)
2019-11-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/glslang/src 37dcb894574e..f4d4668529f1 (1 commits)
2019-11-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/SwiftShader 102fd19c65f4..aba1020d3914 (7 commits)

Created with:
  gclient setdep -r third_party/externals/angle2@e4b3136913c6

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 robertphillips@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=robertphillips@google.com
Change-Id: Ia0794cef8c6d41926aceed22c4be6834b82da469
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/255182
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