Merge changes I026cd52c,Ic378bd76,I373c9a0f

* changes:
  hotspot2: save and load Passpoint configurations to/from config store
  hotspot2: add config store data for Passpoint
  hotspot2: add utility class for XML serialization of Passpoint configurations
tree: 0fbd72ab9e01c349f19925895d149780d62439bd
  1. service/
  2. PREUPLOAD.cfg