Roll third_party/externals/angle2 471b8d4c7383..b980c5630eb5 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/471b8d4c7383..b980c5630eb5


git log 471b8d4c7383..b980c5630eb5 --date=short --no-merges --format='%ad %ae %s'
2018-11-27 jmadill@chromium.org Reformat all cpp and h files.
2018-11-27 geofflang@chromium.org Expose EXT_color_buffer_half_float if RGBA16F is renderable.
2018-11-27 jiajia.qin@intel.com ES31: Add swizzle support in SSBO (Part 1)


Created with:
  gclient setdep -r third_party/externals/angle2@b980c5630eb5

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=borenet@google.com

Change-Id: I32a96a7d78740214410cc378f4115a8b9977d75f
Reviewed-on: https://skia-review.googlesource.com/c/173007
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