Fix surfaceflinger SELinux denial.

Allow surfaceflinger to write to files in
/sys/devices/virtual/graphics/fb1

This addresses the following denial:

    5.319406   type=1400 audit(10944353.380:8): avc:  denied  { write } for  pid=184 comm="surfaceflinger" name="vendor_name" dev="sysfs" ino=10944 scontext=u:r:surfaceflinger:s0 tcontext=u:object_r:sysfs:s0 tclass=file

Change-Id: I0f70af5d523a1d8ef7a9b93de50aca7b6a946236
Merge "Fix surfaceflinger SELinux denial."
Address comments from previous review

Let's list out the individual files, instead of allowing bulk
access to all of /sys/devices/virtual/graphics/fb1

Change-Id: I0b1014dcdfd2284f7bdf759e896782e1b083f386
Merge "Address comments from previous review"
Merge branch 'master' of https://android.googlesource.com/device/lge/hammerhead into HEAD