Addresses denials such as:
 avc:  denied  { call } for  pid=2275 comm="wpa_supplicant" scontext=u:r:wpa:s0 tcontext=u:r:servicemanager:s0 tclass=binder

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

(cherry picked from commit 867e398d)

Change-Id: Ie941b07e351bf89aa0afd5ee88cd01f6da5e6788