Mobile/Projects/WebRTC platform support

From old Fx23 PRD

I'm just assuming this goes here for now, can fix later.

Tracking

Bugzilla query error

Query options must be valid JSON.1

Goals

• Required to support video uplink with WebRTC

Specifications

• Support VP8 codec (confirm with Maire)
• H.264 support not yet planned (confirm with Maire)

User stories

TBD

UX design

TBD

Quality criteria

TBD