Roll ANGLE from 4a7d7f1baef0 to ee980a91ff42 (3 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/4a7d7f1baef0..ee980a91ff42

2020-09-04 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 75690ce7ef4a to e63aa953ddfd (2 revisions)
2020-09-04 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from 2c60d16a646b to fd05605bef1c (1 revision)
2020-09-04 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Loader from 399ebf707295 to 4a7362c2b223 (1 revision)

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 cwallez@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: cwallez@google.com
Change-Id: I92ee7a9ba042557a5b832a7214e9d3f9c8cfa799
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2393701Reviewed-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@{#804552}

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': '4a7d7f1baef07e4800ede96f9bf84f101277720a',
+  'angle_revision': 'ee980a91ff42c56fa9431619c5719eda0f170014',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.