sepolicy: allow fstman write permissions to wifi directory

FST Manager needs write permissions to wifi directory for supporting
whitelist of rate upgrate interface (wlan1)

Change-Id: I564e7da6118e17f7487242c55b0373dab8d12578
Reviewed-on: http://review.blissroms.com/3841
Reviewed-by: Vaughn N <rwaterspf1@floydco.net>
Reviewed-by: blueyes <brian.w.petroski@gmail.com>
Tested-by: blueyes <brian.w.petroski@gmail.com>
1 file changed