Roll src/third_party/angle 3394a73db973..d731ff82e5a8 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/3394a73db973..d731ff82e5a8


git log 3394a73db973..d731ff82e5a8 --date=short --no-merges --format='%ad %ae %s'
2018-08-17 fjhenigman@chromium.org Vulkan: support depth offset.
2018-08-17 tobine@google.com Refactoring EGL validation


Created with:
  gclient setdep -r src/third_party/angle@d731ff82e5a8

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=geofflang@chromium.org

Change-Id: I40e756d43a596483d6237843ad1f7968ef144efa
Reviewed-on: https://chromium-review.googlesource.com/1180188Reviewed-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@{#584210}

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': '3394a73db973081e6ab86ba51c6eccc7ee9826d0',
+  'angle_revision': 'd731ff82e5a89a393e2b1afb42df50463800e108',
   # 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.