sepolicy: Add permissions for PP daemon

 Since PP daemon uses ion device and unix socket streams for
 communication with clients, allow access to ion device and unix stream
 sockets.
 Re-enabled rules related binder calls and service_manager context as
 they are needed for the 8976 target.

Change-Id: Ic2cdbd07094f537a56ac62f9b2af8599ac3e9a5d
1 file changed