Roll src/third_party/webrtc fd0e32a87a4e..4186603902fc (13 commits)

https://webrtc.googlesource.com/src.git/+log/fd0e32a87a4e..4186603902fc

git log fd0e32a87a4e..4186603902fc --date=short --no-merges --format='%ad %ae %s'
2019-11-18 handellm@webrtc.org Always record timestamp of keyframe request.
2019-11-18 mbonadei@webrtc.org Reland "Force Chromium deps on the WebRTC component."
2019-11-18 yvesg@google.com Revert "Add AV1 RtpDepacketizer class"
2019-11-18 danilchap@webrtc.org Add AV1 RtpDepacketizer class
2019-11-18 mbonadei@webrtc.org Revert "Force Chromium deps on the WebRTC component."
2019-11-18 jonaso@webrtc.org p2p_transport_channel_unittest : put frequently used checks into functions.
2019-11-17 jerome.humbert@microsoft.com Add missing assert.h for win no-test build
2019-11-16 hta@webrtc.org Make SCTPtransport enter "closed" state when DTLStransport does.
2019-11-16 handellm@webrtc.org VideoFrame: Store a reference to an encoded frame
2019-11-15 thaloun@chromium.org Use GetDefaultAudioEndpoint for the default communications device as well as the vanilla default device
2019-11-15 qingsi@webrtc.org Make ICE transports injectable.
2019-11-15 mbonadei@webrtc.org Force Chromium deps on the WebRTC component.
2019-11-15 peah@webrtc.org Correct the upmixing of mono to stereo in ACM2

Created with:
  gclient setdep -r src/third_party/webrtc@4186603902fc

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:1013590,chromium:None,chromium:1013590,chromium:b/144524502,chromium:1024965,chromium:b/144458371
Change-Id: Ib258985c0cc41c04dbdba7aeba67644656f2dcb5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1921556Reviewed-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@{#716150}

DEPS

@@ -1502,7 +1502,7 @@ deps = {
     Var('chromium_git') + '/external/khronosgroup/webgl.git' + '@' + 'dd55f3ca8f2ea716ca917a4aaf36f0729fe902b1',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + 'fd0e32a87a4e6a9a6cfeb02fbdcddd6edf4ac9c8',
+    Var('webrtc_git') + '/src.git' + '@' + '4186603902fc0bbcfb676b5e79fd004ace1f7049',
 
   # 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.