Roll WebRTC from 582102c9b7f4 to cf8ea9c25903 (9 revisions)

https://webrtc.googlesource.com/src.git/+log/582102c9b7f4..cf8ea9c25903

2020-08-11 thomasanderson@chromium.org [XProto] Add SharedXDisplay::IgnoreXServerGrabs
2020-08-10 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 9868e92..48eed58 (796451:796566)
2020-08-10 chromium-webrtc-autoroll@webrtc-ci.iam.gserviceaccount.com Roll chromium_revision 8cce5f8..9868e92 (796325:796451)
2020-08-10 eshr@google.com [Adaptation] Remove ResourceAdaptation queue from VideoStreamEncoderResources
2020-08-10 hta@webrtc.org Revert "Implement transceiver.stop()"
2020-08-10 eshr@google.com [Adaptation] Delete AdaptationListener
2020-08-10 eshr@google.com [Adaptation] Move Balanced MinFpsDiff logic to VideoStreamAdapter
2020-08-10 nisse@webrtc.org Add method RtpVideoStreamReceiver::AddReceiveCodec with explicit payload type
2020-08-10 hta@webrtc.org Implement transceiver.stop()

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/+doc/master/autoroll/README.md

Bug: chromium:1066670,chromium:980879
Tbr: webrtc-chromium-sheriffs-robots@google.com
Change-Id: I224d0f4c571555b35208f8a40f6e8c478a80d8d2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2347965
Reviewed-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@{#796716}

Author: chromium-autoroll

DEPS

@@ -1470,7 +1470,7 @@ deps = {
   },
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '582102c9b7f48f6ccad956fe17241668a90cb3fc',
+    Var('webrtc_git') + '/src.git' + '@' + 'cf8ea9c25903edb2c907a3cf18e1d31e0196e2e9',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),