Call LocNetIfaceAgps_getStatusCb implemented in libloc_net_iface.so,
use the return function as default agps status callback.
Change-Id: I4d966a888e312c2d0fb1a6c9e30752294876e500
CRs-Fixed: 2064002
Updating AgpsSubscriber constructor to ensure clone
operation copies the entire state
Change-Id: Id016994efd8cb1140af8d5ee05eace95922f246b
CRs-Fixed: 2039863