Roll src/third_party/angle 5476e805a321..8efa341839a6 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/5476e805a321..8efa341839a6


git log 5476e805a321..8efa341839a6 --date=short --no-merges --format='%ad %ae %s'
2018-10-05 geofflang@chromium.org Suppress EXTBlendFuncExtendedDrawTestES3.FragmentArrayOutputLocationsAP on MacOS
2018-10-05 jmadill@chromium.org GL back-end error refactor.
2018-10-05 syoussefi@chromium.org Vulkan: Safer struct initialization


Created with:
  gclient setdep -r src/third_party/angle@8efa341839a6

The AutoRoll server is located here: https://autoroll.skia.org/r/angle-chromium-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=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=cwallez@chromium.org

Change-Id: Ia6926da32ec25e3a307c14617b00c7bdd36fc295
Reviewed-on: https://chromium-review.googlesource.com/c/1265015Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#597180}

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': '5476e805a321d786f8b6a003ab95b1bee0c30964',
+  'angle_revision': '8efa341839a6525eca02f1d719cc4d53b443327b',
   # 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.