Roll src/third_party/angle 6f591c9706e6..3f21fcb9bd26 (1 commits)

https://chromium.googlesource.com/angle/angle.git/+log/6f591c9706e6..3f21fcb9bd26


git log 6f591c9706e6..3f21fcb9bd26 --date=short --no-merges --format='%ad %ae %s'
2018-10-08 courtneygo@google.com Set ANGLE default backend to Vulkan


Created with:
  gclient setdep -r src/third_party/angle@3f21fcb9bd26

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=fjhenigman@chromium.org

Change-Id: I8a68472b8aa45e90c0d490b2ec78768f105de00b
Reviewed-on: https://chromium-review.googlesource.com/c/1268557Reviewed-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@{#597588}

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': '6f591c9706e6b0031bbeeb784a1ca29bb52655fa',
+  'angle_revision': '3f21fcb9bd26d469996d59d2f70c711799c227e3',
   # 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.