Roll src/third_party/webrtc 80f53b785b37..6787f232aedd (4 commits)

https://webrtc.googlesource.com/src.git/+log/80f53b785b37..6787f232aedd

git log 80f53b785b37..6787f232aedd --date=short --no-merges --format='%ad %ae %s'
2019-10-11 saza@webrtc.org Remove AudioProcessing::level_estimator() getter
2019-10-11 eladalon@webrtc.org Fix WebRTC-Video-MinVideoBitrate for VP9
2019-10-11 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 3d7980bd..da0e48ef (705004:705127)
2019-10-11 srte@webrtc.org Adds support for stopping fake TCP cross traffic.

Created with:
  gclient setdep -r src/third_party/webrtc@6787f232aedd

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

TBR=webrtc-chromium-sheriffs-robots@google.com

Bug: chromium:None
Change-Id: I7f64a1a1c5e6f553481b123b1ca4ba8b63a6c3fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1857160Reviewed-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@{#705282}

DEPS

@@ -1470,7 +1470,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + '2701c130839edbeb226735b0775966b6423d9e83',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '80f53b785b377ab4c781c36d371d84241c7d9b80',
+    Var('webrtc_git') + '/src.git' + '@' + '6787f232aedd5e529c1825bbb3c2ddd864059d63',
 
   'src/third_party/xdg-utils': {
       'url': Var('chromium_git') + '/chromium/deps/xdg-utils.git' + '@' + 'd80274d5869b17b8c9067a1022e4416ee7ed5e0d',