[NAN] Add transport type for NAN.

Add TRANSPORT_WIFI_NAN - specifies a peer-to-peer Wi-Fi NAN data
connectivity request.

While NAN uses Wi-Fi L1 PHY and part of the MAC - it is a different
protocol and constitutes a different transport.

(cherry-pick of commit 7b84987a6acf2f0a950c334a17a6ee085db3ba4f)
(cherry-pick of commit bd9fdbe02275f51c1e24a451aecd40038c4a20e1)

Bug: 26564277
Change-Id: I975ebc72d8f97a592d18038b3d6465b7a40efa75
1 file changed