Roll ANGLE from 592c94cd987f to ab07b2bef2ac (4 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/592c94cd987f..ab07b2bef2ac

2020-07-29 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-ValidationLayers from 171e04fac342 to c0bf676837e4 (3 revisions)
2020-07-29 angle-autoroll@skia-public.iam.gserviceaccount.com Roll glslang from 3ee5f2f1d331 to 7ab4564696a7 (1 revision)
2020-07-29 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Tools from 3b36fdc64014 to a4505d37ffe7 (1 revision)
2020-07-29 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 12c9d4ac61f2 to dc8e77f0e521 (6 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 tobine@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: tobine@google.com
Change-Id: I4efb1142becbd402a1d35bb4c533111f6cacf5a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2325908Reviewed-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@{#792692}

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': '592c94cd987f00e71e5d37060a9b1a99468456ca',
+  'angle_revision': 'ab07b2bef2acd09a64b5f0a13277db3b4b5c3dd8',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.