Remove extra double quotes while passing args into autoserv.
Remove extra double quotes while passing args into autoserv.

Change-Id: Iaee4c276b8f03546cc32b30849e424c84c729aef

BUG=9841
TEST=run with sam's test script.

cd chromeos/src/scripts
echo chromelab > .default_wifi_test_lab
sudo echo 172.22.18.5   chromelab >>/etc/hosts
bin/cros_run_wifi_tests.sh --cell=4 MatFunc

Review URL: http://codereview.chromium.org/5523005

zhang0137/scripts,crawford/scripts,andrejro/coreos--scripts,smilart/scripts,fivethreeo/scripts,crawford/scripts,vmware/coreos-scripts,BugRoger/scripts,BugRoger/scripts,bcwaldon/coreos-scripts,sigma/coreos-scripts,bcwaldon/coreos-scripts,vmware/coreos-scripts,marineam/coreos-scripts,mjg59/scripts,mischief/scripts,sigma/coreos-scripts,fivethreeo/scripts,gtank/scripts,glevand/coreos--scripts,nicescale/scripts,coreos/scripts,fivethreeo/scripts,endocode/scripts,endocode/scripts,zhang0137/scripts,marineam/coreos-scripts,sigma/coreos-scripts,trnubo/scripts,crawford/scripts,smilart/scripts,nicescale/scripts,mischief/scripts,vmware/coreos-scripts,nicescale/scripts,gtank/scripts,trnubo/scripts,trnubo/scripts,coreos/scripts,mjg59/scripts,glevand/coreos--scripts,smilart/scripts,mjg59/scripts,endocode/scripts,gtank/scripts,bcwaldon/coreos-scripts,andrejro/coreos--scripts,andrejro/coreos--scripts,marineam/coreos-scripts,BugRoger/scripts,mischief/scripts,zhang0137/scripts