move netwerk test harness to common location, so places tests can use it on this branch git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@188650 18797224-902f-48f8-a5cc-f745e15eee43
move netwerk test harness to common location, so places tests can use it on this branch git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@188650 18797224-902f-48f8-a5cc-f745e15eee43