Fix FQDN bug when SUPL_HOST is NONE

CRs-fixed: 2473365
NV is not set to blank when SUPL_HOST is set to NONE

Bug: 135909072
Test: Verified with AT&T SIM, SUPL_HOST is NONE in PARIS or gps_debug.conf
Change-Id: I0857914659e2cca5c00c1766451f295e29f97efa
1 file changed