Change I9e35cc93abf89ce3594860aa3193f84a3b42ea6e changed the type
on /data/misc/wifi/sockets to wpa_socket and change
I51b09c5e40946673a38732ea9f601b2d047d3b62 fixed the type on existing
devices.  Consequently hostapd now needs access to wpa_socket dir
and sock_file.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>

(cherry picked from commit f2067371)

Change-Id: I58dd3d5927e6cf9e349dc7584df499521d49afb1