Roll src/third_party/angle ce9f521465e1..b46e6c2fa626 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/ce9f521465e1..b46e6c2fa626

git log ce9f521465e1..b46e6c2fa626 --date=short --first-parent --format='%ad %ae %s'
2020-01-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/SwiftShader 5fc197dc7669..2cb1db08e5f1 (2 commits)
2020-01-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-validation-layers/src ab883b9d257e..41a96d15fd99 (5 commits)
2020-01-17 angle-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/vulkan-tools/src 4792a6854238..b6ac1e60cd3a (3 commits)

Created with:
  gclient setdep -r src/third_party/angle@b46e6c2fa626

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/+/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
Bug: None
Tbr: jonahr@google.com
Change-Id: Ifbd397d33f9bf08a6f652c0c93b03db1a3c7fcaa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2007589Reviewed-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@{#732844}

DEPS

@@ -193,7 +193,7 @@ 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': 'ce9f521465e18014da856d2751afd85200b81379',
+  'angle_revision': 'b46e6c2fa6268927862bc3d715da4521b9fe8a0b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.