GPS HAL: allow client to start tracking session when registering
for none-position related callbacks

When locaiton client has callback for sv, meas, nmea, gps debug
data, the location client should be considered as GNSS client
and allow session to be started

Change-Id: I7641c3eaff64cfd076ee678530fb33610a30fe76
CRs-fixed: 2698513
2 files changed