Roll ANGLE from cc5513855cc5 to 5a4af4624777 (3 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/cc5513855cc5..5a4af4624777

2020-07-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from 7221ccf85e26 to 680c77fa6c81 (2 revisions)
2020-07-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll glslang from 4f72970ed3e0 to f3cb1896971f (1 revision)
2020-07-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-ValidationLayers from 7548cbeabfa7 to 412b1b7dd18c (3 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 jonahr@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: jonahr@google.com
Change-Id: Iad02c929ddcac1a4c40c16058e13997431e65fbf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2304674Reviewed-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@{#789602}

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': 'cc5513855cc5bed41612c5cadd60f665e24ccce5',
+  'angle_revision': '5a4af4624777b0cd91d299eeeb13222414607f1b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.