Roll ANGLE from 71bffb8af87f to 8700d9ccb795 (5 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/71bffb8af87f..8700d9ccb795

2021-11-18 jmadill@chromium.org Vulkan: Lock around debug annotator.
2021-11-18 jmadill@chromium.org Updates to perf test running script.
2021-11-18 jmadill@chromium.org Vulkan: Add mutex around cache stats.
2021-11-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from f0e8ec2da282 to 4c687cc2f8ea (4 revisions)
2021-11-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 50e341fc93fd to 478aa76e7d38 (7 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-dawn-autoroll
Please CC bajones@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 Dawn: https://bugs.chromium.org/p/dawn/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

Bug: None
Tbr: bajones@google.com
Change-Id: I36055b1f376b25227ea8c82231a619ac53db65be
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/70062
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 8a937f2..87b599d 100644
--- a/DEPS
+++ b/DEPS
@@ -121,7 +121,7 @@
   },
 
   'third_party/angle': {
-    'url': '{chromium_git}/angle/angle@71bffb8af87fbd7b1b0593ae9c3f220f1b07d9dc',
+    'url': '{chromium_git}/angle/angle@8700d9ccb795b918c7a595093c1fadcb733610d6',
     'condition': 'dawn_standalone',
   },