sepolicy: fixes for wigig SoftAP (hostapd)

Added some fixes to get wigig SoftAP working.
In recent version of Android hostapd now has its own HAL domain.
Update hostapd rules to refer to this new domain.

Also, there are few small updates to refer to proper types for
vendor files and sockets.

Change-Id: If53a3674312f5a008984eb7ff2aa6026dcdf0af7