Moxie Marlinspike cd28cd172f Refactor webrtc audio management
Attempts to:

1) Successfully play ringtone through speaker instead of earpiece
   when possible.

2) Manage bluetooth headset connectivity as well as possible

3) Eliminate notification sounds while in-call when possible

4) Make sure audio is correctly setup when receiving calls

Fixes #6271
Fixes #6248
Fixes #6238
Fixes #6184
Fixes #6169

// FREEBIE
2017-03-05 10:35:55 -08:00
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