recorderendpoint: Add new sink element whenever the encodebin is replaced
recorderendpoint: Add new sink element whenever the encodebin is replaced

Change-Id: Id1553108b63895f0c98888f9cb010f1d48052f61

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