Starting from audio only call:
- start sharing;
- add camera;
- stop sharing;
The camera stream should remain and not the sharing one.
Change-Id: If6dd0fb7a6ddd8603626c66c792e75e3cf05275e
The only missing case were for changing the current default camera.
Other methods can be removed.
Change-Id: I91fce779f4a41fe4d667444aea57b1b454aa702b
GitLab: #651