Roll ANGLE from 9d91064d6c8b to 8f6f5a4bb28d (2 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/9d91064d6c8b..8f6f5a4bb28d

2021-12-01 syoussefi@chromium.org Vulkan: Fix image respecify's usage tracking
2021-12-01 ynovikov@chromium.org Skip MultithreadingTestES3.MultithreadFenceTexImage on TSAN

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 ynovikov@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in ANGLE: https://bugs.chromium.org/p/angleproject/issues/entry
To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

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/main/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_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: chromium:1270658
Tbr: ynovikov@google.com
Change-Id: I9c3efef21a7597128fc824de424a95cf7a3ebaeb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3311384
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#947153}
diff --git a/DEPS b/DEPS
index dd30429..d37a3e0 100644
--- a/DEPS
+++ b/DEPS
@@ -242,7 +242,7 @@
   # 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': '9d91064d6c8beb7679502d4e92942c325065adea',
+  'angle_revision': '8f6f5a4bb28d4f9cef8b747c9cd384ebcebb2a6a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.