Update ndn-mobility-random.cc
Update ndn-mobility-random.cc

Add a commitment on MBps.
shinrs20/ndn-mobility,PhilipsIII/ndn-mobility,samqixin/ndn-mobility,samqixin/ndn-mobility,PhilipsIII/ndn-mobility,shinrs20/ndn-mobility,PhilipsIII/ndn-mobility,shinrs20/ndn-mobility,shinrs20/ndn-mobility,PhilipsIII/ndn-mobility,PhilipsIII/ndn-mobility,shinrs20/ndn-mobility,samqixin/ndn-mobility,samqixin/ndn-mobility