Roll src/third_party/webrtc 8ec11b831293..3d687a1e3e31 (1 commits)

https://webrtc.googlesource.com/src.git/+log/8ec11b831293..3d687a1e3e31

git log 8ec11b831293..3d687a1e3e31 --date=short --first-parent --format='%ad %ae %s'
2020-04-16 magjed@webrtc.org Add null checks in stacktrace.cc

Created with:
  gclient setdep -r src/third_party/webrtc@3d687a1e3e31

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/webrtc-chromium-autoroll
Please CC webrtc-chromium-sheriffs-robots@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

Bug: None
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: I7860844146a93ee25d4903e532d9d00185fba4a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2152438Reviewed-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@{#759635}

DEPS

@@ -1447,7 +1447,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '8ec11b831293aae7cc449e0ac63ca66876517da2',
+    Var('webrtc_git') + '/src.git' + '@' + '3d687a1e3e31773d7e72a327f65d94b9bc788bc2',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),