Roll third_party/externals/angle2 f421e0e33e66..b1580a276713 (5 commits)

https://chromium.googlesource.com/angle/angle.git/+log/f421e0e33e66..b1580a276713

git log f421e0e33e66..b1580a276713 --date=short --no-merges --format='%ad %ae %s'
2019-09-12 hckim.kim@samsung.com Vulkan: Set half float vertex format to valid in 2.0 context
2019-09-12 laurie.hedge@imgtec.com Vulkan: Fix integer overflow for max per stage and combined uniform buffers.
2019-09-12 jmadill@chromium.org Vulkan: Reduce uniform block dynamic buffer size.
2019-09-12 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/glslang/src 664ad418f845..fdd13ca10ffc (1 commits)
2019-09-12 angle-autoroll@skia-public.iam.gserviceaccount.com Roll ./third_party/spirv-tools/src c0e9807094ef..ad7f2c5c4c7f (5 commits)

Created with:
  gclient setdep -r third_party/externals/angle2@b1580a276713

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: Idadc05e8820ab112d7f672959c6fdaeefe5f5896
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/241197
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