Bug 1086434 - Having multiple outgoing Loop windows in an end call state could result in being unable to received another call. r=dmose, a=lmandel

Temporarily make the random number a big number whilst we fix the issue elsewhere.
Bug 1072831 - Firefox becomes unresponsive at start-up with "Don't keep activities" enabled due to first run experience. r=lucasr, a=lsblakk