Add the advertising of XMPP feature for Jingle (ServiceDiscovery)
Add the advertising of XMPP feature for Jingle (ServiceDiscovery)

bhatvv/jitsi-hammer,jitsi/jitsi-hammer,gardenia/jitsi-hammer,jitsi/jitsi-hammer,bhatvv/jitsi-hammer,gardenia/jitsi-hammer