Roll src/third_party/angle 5e6be1d627e9..3ff097ff2055 (1 commits)

https://chromium.googlesource.com/angle/angle.git/+log/5e6be1d627e9..3ff097ff2055

git log 5e6be1d627e9..3ff097ff2055 --date=short --no-merges --format='%ad %ae %s'
2019-10-31 jmadill@chromium.org Win: Add ANGLE_WAIT_FOR_DEBUGGER option.

Created with:
  gclient setdep -r src/third_party/angle@3ff097ff2055

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 ynovikov@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_optional_gpu_tests_rel
TBR=ynovikov@google.com

Bug: None
Change-Id: I5c733915d7c34ce68c5b7b17fe8c27563f2d20e2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1893321Reviewed-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@{#711387}

DEPS

@@ -184,7 +184,7 @@ 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': '5e6be1d627e9bb5e430b7fa9afd12c7e647a2ada',
+  'angle_revision': '3ff097ff2055888d5295378eac43925760442914',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.