Roll src/third_party/webrtc 06a394e036ab..60bd1aea3d6d (5 commits)

https://webrtc.googlesource.com/src.git/+log/06a394e036ab..60bd1aea3d6d

git log 06a394e036ab..60bd1aea3d6d --date=short --no-merges --format='%ad %ae %s'
2019-11-13 srte@webrtc.org Detach thread checker in RtcEventLogImpl destructor.
2019-11-13 peah@webrtc.org Correcting the ACM upmixing from mono/stereo to surround
2019-11-13 srte@webrtc.org Providing EmulatedRoute instances when creating TcpMessageRoute
2019-11-13 jakobi@webrtc.org Synchronize is_screencast_ state in AndroidVideoTrackSource.
2019-11-13 peah@webrtc.org Allow extracting the linear AEC output

Created with:
  gclient setdep -r src/third_party/webrtc@60bd1aea3d6d

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,chromium:b/140823178
Change-Id: I2e16f71e06bec52c3c1cfd4fc6f91509582bf54e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1914741Reviewed-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@{#715058}

DEPS

@@ -1502,7 +1502,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + 'dd55f3ca8f2ea716ca917a4aaf36f0729fe902b1',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '06a394e036abe283bcfead1225a927b52caf9d66',
+    Var('webrtc_git') + '/src.git' + '@' + '60bd1aea3d6dc650264ddaeaa0b1f5bce19bb05a',
 
   # Wuffs' canonical repository is at github.com/google/wuffs, but we use
   # Skia's mirror of Wuffs, the same as in upstream Skia's DEPS file.