[NAN] Expose NAN discovery interface MAC address to app.

Feedback NAN discovery interface MAC address to app. Make sure
that callback (onIdentityChanged) is called whenever a connection
is successful - whether or not underlying HAL called it.

Bug: 30000035
Change-Id: Ibaa332992c4bb1078a72856a8ae7ca8dfebce05c
3 files changed
tree: 3eea117907492da7eb1b262928b8856b7080ca80
  1. service/
  2. tests/