Roll ANGLE from cee574832664 to 9a7b0a2dc5a3 (2 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/cee574832664..9a7b0a2dc5a3

2020-09-09 jonahr@google.com Workaround bogus MscRate reported by some XWayland drivers.
2020-09-09 shrekshao@google.com Suppress AtomicCounterBufferRangeRead failure on Nexus6P

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 ianelliott@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: chromium:1042393
Tbr: ianelliott@google.com
Change-Id: If7c2e4bf057e63316de695b51e946050533f023c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2402204Reviewed-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@{#805565}

DEPS

@@ -207,7 +207,7 @@ 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': 'cee574832664961794a19c0387a456379464d657',
+  'angle_revision': '9a7b0a2dc5a374f9abf214b8f617df7bde70b81d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.