Roll src/third_party/angle/ 966cd5076..01e835818 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/966cd5076be3..01e83581864b

$ git log 966cd5076..01e835818 --date=short --no-merges --format='%ad %ae %s'
2018-05-15 geofflang Add dEQP EGL expectations OpenGL on Windows.
2018-05-10 lucferron Vulkan: Pre-work for copyImage/copySubImage features

Created with:
  roll-dep src/third_party/angle


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=ynovikov@chromium.org

Change-Id: Ida342dadbc543a0eaeb1c34cc49d0165657b24ea
Reviewed-on: https://chromium-review.googlesource.com/1060100Reviewed-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@{#558851}

DEPS

@@ -108,7 +108,7 @@ 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': '966cd5076be37383b9987ad1fa32ed0730d14500',
+  'angle_revision': '01e83581864b153a21f0621a4500df7f2e99f524',
   # 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.