Roll ANGLE from 71f352e32811 to c9ebf905761c (1 revision)

https://chromium.googlesource.com/angle/angle.git/+log/71f352e32811..c9ebf905761c

2020-05-22 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-ValidationLayers from a6d833327f7e to b2cfe61366da (2 revisions)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/angle-chromium-autoroll
Please CC geofflang@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

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-asan;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: geofflang@google.com
Change-Id: Idbeafdb4d63a76f183d30ec5b1cd348f0cfb4c38
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2213637Reviewed-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@{#771352}

DEPS

@@ -190,7 +190,7 @@ 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': '71f352e32811b0e32879e5926d109e5f6aee7ed4',
+  'angle_revision': 'c9ebf905761c5c4554dc4348666fb7b1ccbddc8c',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.