Roll src/third_party/angle 210610261006..ecbaf6663915 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/210610261006..ecbaf6663915


git log 210610261006..ecbaf6663915 --date=short --no-merges --format='%ad %ae %s'
2018-07-13 jmadill@chromium.org dEQP: Fix non-GTest error logging.
2018-07-13 lucferron@chromium.org Vulkan: Implement gl_DepthRange support using driver uniform
2018-07-13 lucferron@chromium.org Vulkan: Enable viewport Y flipping


Created with:
  gclient setdep -r src/third_party/angle@ecbaf6663915

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: I79233d62143b89d8dd41df36c7e7229c882202a3
Reviewed-on: https://chromium-review.googlesource.com/1136912Reviewed-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@{#575083}

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': '21061026100668b9f5b9950e8bfc8d52ce5de271',
+  'angle_revision': 'ecbaf6663915263dacd279119a1c9fe4d1d9e8d5',
   # 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.