Roll ANGLE from 68f15c734d5c to 297e1ae19685 (2 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/68f15c734d5c..297e1ae19685

2021-01-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from aedd133cd85f to 149733cead63 (2 revisions)
2021-01-18 angle-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 7b69f3d087b8 to 2bb77d70cc64 (4 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: Ic9e06e84963842a98f194bd87cb9579c1757b43d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2636176Reviewed-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@{#844572}

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': '68f15c734d5cef3bfa3f8d86654fd7a5808679ec',
+  'angle_revision': '297e1ae196859bba28b0d82b152a315aee66d36d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.