Add single wrapper API to send message over legacy userspace socket
or GENL socket.
Change-Id: I7cf46651d64467e77d85c147080d74a7470e42d6
CRs-Fixed: 2003488
Currently user space communication functions[cnss diag, PTT socket app]
in host driver uses netlink user sockets which is a security concern from
Linux Android SE policies.
Add support for to use netlink family cld80211 which uses generic
netlink sockets.
Change-Id: Ia833249c1f312415e38563d90214979cea3d9f0e
CRs-Fixed: 2015931