Roll ANGLE from d8e982264ce5 to ed87c16ad00e (9 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/d8e982264ce5..ed87c16ad00e

2020-11-17 m.maiya@samsung.com Vulkan: Add GL_EXT_separate_shader_objects support
2020-11-17 m.maiya@samsung.com Vulkan: Add EXT_separate_shader_objects entry points
2020-11-17 thakis@chromium.org Stop setting mac_xcode_version in DEPS
2020-11-17 syoussefi@chromium.org Vulkan: 270 degree prerotation deqp expectations
2020-11-17 syoussefi@chromium.org GL: Support OES_shader_image_atomic
2020-11-17 syoussefi@chromium.org Vulkan: Support texture buffers
2020-11-17 syoussefi@chromium.org Use 0 as special value for glTexBuffer instead of UINT_MAX
2020-11-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll VK-GL-CTS from 9e07e4424cd4 to 4fe17f3425ee (12 revisions)
2020-11-17 syoussefi@chromium.org Vulkan: Reuse GetBoundBufferAvailableSize in ProgramExecutableVk

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
Test: Test: ProgramPipelineTest.GenerateProgramPipelineObjectEXT*
Change-Id: I30a3a822a05e5045c2df9446b6d9aad5a329e971
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2544033Reviewed-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@{#828475}

DEPS

@@ -209,7 +209,7 @@ 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': 'd8e982264ce54653ce4915381ac6ed3f0d2ac90b',
+  'angle_revision': 'ed87c16ad00e613cd97472e7f840346be40234fd',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.