SupplicantStaIfaceHal: Expose current network methods

Expose methods to set bssid of the currently configured network and
retrieve the NFC token of the network.

While there,
Add unit test for the removal of all networks from wpa_supplicant.

Bug: 33383725
Test: Unit tests.
Change-Id: Ibfff7a3349967c851a3cde62e082aa5d6ec2ee91
5 files changed
tree: 635246008592050584ad0dc8ee34e790cbaccd89
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg