Roll src/third_party/angle 0cc291365934..210610261006 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/0cc291365934..210610261006


git log 0cc291365934..210610261006 --date=short --no-merges --format='%ad %ae %s'
2018-07-13 jmadill@chromium.org Vulkan: Use angle::Result error handling.
2018-07-13 jmadill@chromium.org Add gl::ErrorSet and angle::Result.


Created with:
  gclient setdep -r src/third_party/angle@210610261006

The AutoRoll server is located here: https://angle-chromium-roll.skia.org

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=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=jmadill@chromium.org

Change-Id: Ie5622320e955bea3a724e263dfd212f32db36dcf
Reviewed-on: https://chromium-review.googlesource.com/1136732Reviewed-by: angle-chromium-autoroll <angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: angle-chromium-autoroll <angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#574988}

DEPS

@@ -117,7 +117,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ANGLE
   # and whatever else without interference from each other.
-  'angle_revision': '0cc29136593427d6c6fac6efc54a303ebfc01686',
+  'angle_revision': '21061026100668b9f5b9950e8bfc8d52ce5de271',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build tools
   # and whatever else without interference from each other.