solenberg ebb349d7c9 Revert to allowing only 1 unsignaled receive stream for audio.
Reason to go back is that we may end up with a bunch of streams that are never cleaned up and consume resources.

BUG=webrtc:7175, b/35863246

Review-Url: https://codereview.webrtc.org/2746763002
Cr-Commit-Position: refs/heads/master@{#17210}
2017-03-13 12:46:15 +00:00
..