Roll ANGLE from 863115fb49d7 to 8150670ddd8d (6 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/863115fb49d7..8150670ddd8d

2020-08-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from b8de4f57e983 to e28436f2b8a2 (3 revisions)
2020-08-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Loader from 527e67e9d933 to 30b3f3857835 (13 revisions)
2020-08-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-ValidationLayers from c1db3b8e7960 to 9d431ae2eeb4 (1 revision)
2020-08-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from abe07b943855 to 6f74415e2f74 (2 revisions)
2020-08-18 jmadill@chromium.org Vulkan: Clean up handleDirtyTexturesImpl.
2020-08-18 jmadill@chromium.org Vulkan: Clean up ImageHelper barrier functions.

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: None
Tbr: cnorthrop@google.com
Change-Id: I7163ccc4f979f41987326e8da920af8c145d2e8a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2362547Reviewed-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@{#799059}

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': '863115fb49d768404b65637a6011f61fbca507a9',
+  'angle_revision': '8150670ddd8df0988dcabcae06a3a027c8cc096b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.