Merge changes Ie6ba8410,Ifd3374ef,I7cc92129

* changes:
  SupplicantStaIfaceHal: Register for callbacks
  SupplicantStaNetworkHal: Handle callbacks
  SupplicantStaIface/Network: Store the iface name
tree: 88c9403b8048ddd7537fd7a504c6864c5411b3b1
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg