Roll ANGLE from e6a6e45f3af0 to a3f6dc2fadb4 (6 revisions)

https://chromium.googlesource.com/angle/angle.git/+log/e6a6e45f3af0..a3f6dc2fadb4

2020-07-08 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Headers from db06fce926b0 to 2a164e9680a5 (3 revisions)
2020-07-08 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-ValidationLayers from e8b96e86fe2e to 3bae90706d26 (2 revisions)
2020-07-08 angle-autoroll@skia-public.iam.gserviceaccount.com Roll glslang from f5ed7a69d5d6 to 29c9135d06f1 (3 revisions)
2020-07-08 angle-autoroll@skia-public.iam.gserviceaccount.com Roll Vulkan-Tools from abc9dff824c3 to 68bfbc219497 (1 revision)
2020-07-08 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from f6f11215cd93 to 28159ee9c8e3 (1 revision)
2020-07-08 angle-autoroll@skia-public.iam.gserviceaccount.com Roll SPIRV-Tools from 6a4da9da4215 to 7afbc0c8be3f (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 syoussefi@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: syoussefi@google.com
Change-Id: Iab10a4ce2eefef05c6cb6aa867292d6c0166269b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2287135Reviewed-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@{#786262}

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': 'e6a6e45f3af00fcd06635cbe4ea96150a4dda361',
+  'angle_revision': 'a3f6dc2fadb487a6d53a94e9280d277537b275d6',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.