golden: fix SELinux denial

<5>[1034206.246245] type=1400 audit(1418336033.653:66): avc:  denied  { search } for  pid=27739 comm="zygote" name="cpuctl" dev=tmpfs ino=3413 scontext=u:r:zygote:s0 tcontext=u:object_r:cpuctl_device:s0 tclass=dir

Change-Id: I49e2cfbc55ceb6a2e698cfa6315963c21340d2b8