kmd: Map structures defined in the W3C document for webrtc-stats
kmd: Map structures defined in the W3C document for webrtc-stats

Change-Id: Ifc3d00387222ecd7809d5fa66474e7e41fcef4c0

shelsonjava/kms-core,Kurento/kms-core,TribeMedia/kms-core,ESTOS/kms-core,TribeMedia/kms-core,shelsonjava/kms-core,Kurento/kms-core,ESTOS/kms-core,Kurento/kms-core,shelsonjava/kms-core,shelsonjava/kms-core,TribeMedia/kms-core,ESTOS/kms-core,ESTOS/kms-core,Kurento/kms-core,TribeMedia/kms-core