Roll src/third_party/angle 471358f39a6a..b51eb09fb5bb (6 commits)

https://chromium.googlesource.com/angle/angle.git/+log/471358f39a6a..b51eb09fb5bb


git log 471358f39a6a..b51eb09fb5bb --date=short --no-merges --format='%ad %ae %s'
2018-11-29 syoussefi@chromium.org Vulkan: Allow bindings to compute stage
2018-11-29 syoussefi@chromium.org Vulkan: Uber-shader generated code optimization
2018-11-29 jmadill@chromium.org Pass Context to setLabel.
2018-11-29 jmadill@chromium.org Clear draw attachments as a dirty object.
2018-11-29 cnorthrop@google.com Add temporary icon for ANGLE apk
2018-11-29 jmadill@chromium.org Use packed enum for DrawElementsType.


Created with:
  gclient setdep -r src/third_party/angle@b51eb09fb5bb

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: I939db58664276d98db325bcfbe51cc161b43a941
Reviewed-on: https://chromium-review.googlesource.com/c/1356000Reviewed-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@{#612476}

DEPS

@@ -124,7 +124,7 @@ 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': '471358f39a6a53b97575f0074f466892babd8efc',
+  'angle_revision': 'b51eb09fb5bb1d668f292735d1f9e5f4c692e443',
   # 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.