Roll src/third_party/angle a2ad3619b8cb..6d9b8908b0bb (1 commits)

https://chromium.googlesource.com/angle/angle.git/+log/a2ad3619b8cb..6d9b8908b0bb


git log a2ad3619b8cb..6d9b8908b0bb --date=short --no-merges --format='%ad %ae %s'
2019-05-30 syoussefi@chromium.org Vulkan: Merge Color and Depth/Stencil resolve shaders


Created with:
  gclient setdep -r src/third_party/angle@6d9b8908b0bb

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@google.com

Change-Id: I48f6d026f7f3c7eaab2f94bfcfb14d0abf68af78
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1637403Reviewed-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@{#664758}

DEPS

@@ -150,7 +150,7 @@ 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': 'a2ad3619b8cbc742d70e683bef32127abed0fde3',
+  'angle_revision': '6d9b8908b0bb1c2a71544cbaad5c5a3f8ee07ddf',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.