Roll ANGLE from ffb31229fce4 to ca8f856ac1ab (1 revision)

https://chromium.googlesource.com/angle/angle.git/+log/ffb31229fce4..ca8f856ac1ab

2020-07-22 cnorthrop@google.com Tests: Update gfxbench traces

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 timvp@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: timvp@google.com
Test: Test: angle_perftests --gtest_filter=TracePerfTest.Run/*
Change-Id: I6602efa76a54f4535a6a48c9435e620cbe8f2966
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2314731Reviewed-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@{#791123}

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': 'ffb31229fce43204a98ba2572bd91700b2d482d9',
+  'angle_revision': 'ca8f856ac1abdb924540e2a0eeb91b6f76d1d6ae',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.