Support new getStats report format
Support new getStats report format

This new format is available in Chrome today if you enable
"Experimental Web Platform Features".

https://docs.google.com/document/d/1Wc6a4o0PqTxIWD7LM_smA7Z0GZUTy6XOgr1q
yS4M7hQ/edit#heading=h.kblfo32px4dw

https://groups.google.com/forum/#!msg/discuss-webrtc/OXqm0tjg8hs/hPA8azM
HFgAJ

jeregrine/simple-peer,feross/simple-peer