Don't open CUPS connection to fetch PPD from localhost.
Don't open CUPS connection to fetch PPD from localhost.

Change-Id: Ib5a40ad739baec63ed5f90312f55776fad475830

avlis/cloud-print-connector,agoode/cloud-print-connector,swills/cups-connector,avlis/cloud-print-connector,avlis/cloud-print-connector,agoode/cups-connector,google/cloud-print-connector,google/cloud-print-connector,agoode/cups-connector,swills/cups-connector,avlis/cloud-print-connector,google/cloud-print-connector,google/cloud-print-connector,agoode/cloud-print-connector,agoode/cloud-print-connector,agoode/cloud-print-connector,201371192/cups-connector,201371192/cups-connector