Roll src/third_party/angle feb3b6cc6f2b..86f730971751 (2 commits)

https://chromium.googlesource.com/angle/angle.git/+log/feb3b6cc6f2b..86f730971751

git log feb3b6cc6f2b..86f730971751 --date=short --first-parent --format='%ad %ae %s'
2020-01-14 kbr@chromium.org Upstream support for iOS Simulator.
2020-01-14 syoussefi@chromium.org Add a test to expose translator bug w.r.t short circuiting

Created with:
  gclient setdep -r src/third_party/angle@86f730971751

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: I840cb84a7f4c65db49c624e6f52c2d912d434208
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2001639Reviewed-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@{#731818}

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': 'feb3b6cc6f2b598d001a1166ff03ac64e20de013',
+  'angle_revision': '86f730971751eb18460f2e13e3be1b97a68abacc',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.