Roll src/third_party/angle/ ece125358..9af765dd2 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/ece125358ba2..9af765dd2e44

$ git log ece125358..9af765dd2 --date=short --no-merges --format='%ad %ae %s'
2017-12-13 jmadill Vulkan: Roll loader/validation layers SDK. (1/2)
2017-12-07 jmadill Vulkan: Remove loader/layers from GYP build.
2017-12-13 jmadill Vulkan: Add packed RenderPass descriptions.

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=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
TBR=cwallez@chromium.org

Change-Id: I3d07165d61ac98b92373657b57318c17534e8321
Reviewed-on: https://chromium-review.googlesource.com/825996Reviewed-by: angle-deps-roller . <angle-deps-roller@chromium.org>
Commit-Queue: angle-deps-roller . <angle-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#523996}

DEPS

@@ -86,7 +86,7 @@ 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': 'ece125358ba245436769c56805edebc484a12ec5',
+  'angle_revision': '9af765dd2e4463242df8175f74d7a99af6f31cb1',
   # 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.