Roll ANGLE from a653a9badb55 to 646cf5b2dabd (11 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/a653a9badb55..646cf5b2dabd

2020-10-30 ynovikov@chromium.org Skip EXTMultisampleCompatibilityTest.DrawAndResolve on Mac Mini 8.1
2020-10-30 ynovikov@chromium.org Suppress 2 DepthStencilFormatsTest.DepthStencilReadback on MacMini8.1
2020-10-30 ynovikov@chromium.org Skip ReadPixelsTextureTest.*LayerAttachment*PBO on Mac Mini 8.1
2020-10-30 ynovikov@chromium.org Skip WebGLCompatibilityTest.EnablePixelBufferObjectExtensions
2020-10-30 dpranke@google.com Make sure commit position is a string.
2020-10-29 timvp@google.com Vulkan: Make DescriptorPoolHelper a Resource
2020-10-29 ynovikov@chromium.org Skip Instanced MultiDrawTest.MultiDrawArrays on Mac Mini 8.1
2020-10-29 jmadill@chromium.org Gold Tests: Include SHA1 files in trace inputs.
2020-10-29 m.maiya@samsung.com Vulkan: Add OES_shader_image_atomic support
2020-10-29 timvp@google.com Disable libcxx_abi_unstable in roll_aosp.sh
2020-10-29 jmadill@chromium.org Add newline when using OutputDebugStringA logging.

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 geofflang@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:1112471,chromium:1143507
Tbr: geofflang@google.com
Test: Test: Build on AOSP and launch CuttlefishTest: Test: VulkanMultithreadingTest::MultiContextDrawSmallDescriptorPools()
Change-Id: Ieb90beb13889046bb4accb193429bfafa88bd2ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2508419Reviewed-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@{#822511}

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': 'a653a9badb55294ab1710a7ac41a87b614dbac81',
+  'angle_revision': '646cf5b2dabdb3aa066f24841abc9261f9de60a7',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.