Roll ANGLE from bca88739adb7 to 6830eb6041ea (2 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/bca88739adb7..6830eb6041ea

2020-09-11 m.maiya@samsung.com EGL: Fix a bug in ImageTest
2020-09-11 angle-autoroll@skia-public.iam.gserviceaccount.com Roll VK-GL-CTS from a48ed7c29144 to b045bf7d3b6a (9 revisions)

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 ianelliott@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: ianelliott@google.com
Change-Id: Id88500141b71a85a339020e5e1ad896d54626535
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2406979Reviewed-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@{#806428}

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': 'bca88739adb7e7bd82864ce620bc9c15c087c666',
+  'angle_revision': '6830eb6041ead9f0f3ad9e6ca47b8beb890b4450',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.