Roll src/third_party/angle/ 26084d0aa..4416247c9 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/26084d0aae38..4416247c9d91

$ git log 26084d0aa..4416247c9 --date=short --no-merges --format='%ad %ae %s'
2018-04-06 lucferron Vulkan: Enable point sprite end2end tests
2018-04-06 lucferron Vulkan: Implement support for structs in uniforms

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;master.tryserver.chromium.win:win_optional_gpu_tests_rel
TBR=ynovikov@chromium.org

Change-Id: Id16117e7cc138bd6f3c76089899e26cfdd5c6220
Reviewed-on: https://chromium-review.googlesource.com/1005411Reviewed-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@{#549631}

DEPS

@@ -94,7 +94,7 @@ 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': '26084d0aae38d29f8ca4a16d9a943141af2684d0',
+  'angle_revision': '4416247c9d91a3d0e58b21e9cb98d7d2e640f18b',
   # 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.