Allow full duplex caps negotiation
Allow full duplex caps negotiation

Change-Id: I165fe4c4790dc5cffa11d30ec4e81b2660274f29

TribeMedia/kms-elements,TribeMedia/kms-elements,Kurento/kms-elements,Kurento/kms-elements,shelsonjava/kms-elements,Kurento/kms-elements,shelsonjava/kms-elements,shelsonjava/kms-elements,TribeMedia/kms-elements