Roll ANGLE from 8c86f0d91767 to 09b5e6b1950b (3 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/8c86f0d91767..09b5e6b1950b

2020-08-24 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-ValidationLayers from 0d6b4440549b to 76e8dee41452 (3 revisions)
2020-08-24 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from b79773a35d52 to 4dd122392f3a (1 revision)
2020-08-24 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 44e1791f100c to 622558b02e1a (3 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-chromium-autoroll
Please CC courtneygo@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: courtneygo@google.com
Change-Id: I6fafc6778695c0acffa5a5443dd901b120a4be97
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2371330Reviewed-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@{#800985}

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': '8c86f0d9176704623b9d66165d14fd24f824abf4',
+  'angle_revision': '09b5e6b1950b8f58cf051b99ca8d4d8176df9078',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.