[NAN] Add LV utilities (TLV with T size of 0).
am: bfaff8a3bc

Change-Id: Id55ac7d4bb97d9c3fdd01edff16a1c19fd21fb6b
tree: e0942475387fc1ae3b8fc88db92cfd72cfe96cc6
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/