Roll ANGLE from a481bee281b1 to 9825695e6173 (5 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/a481bee281b1..9825695e6173

2020-11-07 courtneygo@google.com Vulkan: Increase CommandBufferHelper pool size
2020-11-06 syoussefi@chromium.org Generate executables for prerotation deqp tests
2020-11-06 m.maiya@samsung.com Vulkan: Don't refresh image views unnecessarily
2020-11-06 jmadill@chromium.org GL: Compiler changes for GL_OES_texture_buffer
2020-11-06 courtneygo@google.com Vulkan: Allow Android properties to override features

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: I9d6578d2d6efef17d32c17d5582dfc2bc3044546
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2523633Reviewed-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@{#825171}

DEPS

@@ -218,7 +218,7 @@ 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': 'a481bee281b16c9d16b1c7d2393a4e169514ac39',
+  'angle_revision': '9825695e61731eb65db9186a77f2b3b2f1b97203',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.