refs #100262  update the README with the multicast port that android chat uses by default.
refs #100262  update the README with the multicast port that android chat uses by default.

cawka/ndnx,cawka/ndnx,ebollens/ccnmp,ebollens/ccnmp,svartika/ccnx,ebollens/ccnmp,svartika/ccnx,cawka/ndnx,cawka/ndnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,ebollens/ccnmp,svartika/ccnx