Roll ANGLE from 559d54d0807e to 275a495dbb2d (6 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/559d54d0807e..275a495dbb2d

2020-08-10 jmadill@chromium.org Vulkan: Remove TODO.
2020-08-10 jmadill@chromium.org Vulkan: Refactor image dependency commands.
2020-08-10 nguyenmh@google.com Invalid calls' pointer params are no longer captured
2020-08-10 jonahr@google.com Enable required extensions for Chromium to use the Metal backend.
2020-08-10 nguyenmh@google.com Implement param capture for glGetUniform calls and extensions
2020-08-10 lehoangq@gmail.com Metal: Implement CHROMIUM_copy_texture

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 ynovikov@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:1112800
Tbr: ynovikov@google.com
Change-Id: If03c582cd49954d31a2ac22d40f2d209f7d33e25
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2347952Reviewed-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@{#796668}

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': '559d54d0807eb6d1ae98f44f3bf5c8e160a61e59',
+  'angle_revision': '275a495dbb2d97c83d6c6721717d059919708d8d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.