Roll ANGLE from 192a0147c3fe to 186fe9903404 (5 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/192a0147c3fe..186fe9903404

2021-01-20 syoussefi@chromium.org Vulkan: Redo RewriteAtomicCounters
2021-01-20 syoussefi@chromium.org Suppress incomplete texture tests on mac/arm
2021-01-20 syoussefi@chromium.org Vulkan: Retain OpSource in SPIR-V
2021-01-20 enga@chromium.org Revert "Add support for building in Flutter Windows UWP configuration"
2021-01-20 timvp@google.com Tests: Add Klondike Adventures trace

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 cnorthrop@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:1168272,chromium:1168370
Tbr: cnorthrop@google.com
Test: Test: angle_perftests --gtest_filter=TracePerfTest.Run/*klondike_adventures*
Change-Id: If78281ac5183f8c616d432ebe559ecd0d23e7426
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2639563Reviewed-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@{#845115}

DEPS

@@ -211,7 +211,7 @@ 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': '192a0147c3fe465650b3a3ef45ea61c02b2de5a1',
+  'angle_revision': '186fe99034047745c4a626935b3ac2cce557f8f3',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.