Roll src/third_party/angle 3805122b0297..52047de4d41f (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/3805122b0297..52047de4d41f


git log 3805122b0297..52047de4d41f --date=short --no-merges --format='%ad %ae %s'
2019-02-14 fjhenigman@chromium.org Vulkan: support instanced draws. (reland)
2019-02-13 syoussefi@chromium.org Revert "Vulkan: Implement debug markers"


Created with:
  gclient setdep -r src/third_party/angle@52047de4d41f

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=jmadill@chromium.org

Change-Id: Id06f7802b356ad272e900078aa7eb32025e804e0
Reviewed-on: https://chromium-review.googlesource.com/c/1470965Reviewed-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@{#632059}

DEPS

@@ -138,7 +138,7 @@ 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': '3805122b0297b8208ff734a3bcdaa12850b60a00',
+  'angle_revision': '52047de4d41f6861e35b7073dd180edffd64c540',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.