core (xmpp): use "phone" type in identities when backend is started from Android

sat/core/xmpp.py

@@ -472,6 +472,8 @@ class SatXMPPClient(SatXMPPEntity, wokkel_client.XMPPClient):
             # TODO: remove this hack and fix SRV
             log.info(u"FIXME: Android hack, ignoring SRV")
             host = user_jid.host
+            # for now we consider Android devices to be always phones
+            self.identities = [disco.DiscoIdentity(u"client", u"phone", C.APP_NAME)]
 
         hosts_map = host_app.memory.getConfig(None, "hosts_dict", {})
         if host is None and user_jid.host in hosts_map: