Roll ANGLE from 9f4b159b7aa0 to f28a06ba7281 (2 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/9f4b159b7aa0..f28a06ba7281

2021-01-21 angle-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 3180f85f9bcd to f646afdb8929 (2 revisions)
2021-01-21 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Chromium from 13257563 to 67fb6a84 (480 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 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
Change-Id: Iabf5e01bc6fc9917ffb6028695cb1f28a0397740
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2642797Reviewed-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@{#845638}

DEPS

@@ -211,7 +211,7 @@ 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': '9f4b159b7aa06961970da55ebd9317746d8492ea',
+  'angle_revision': 'f28a06ba7281d8456d8ba0b8de4054d55e3b77f5',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.