We already grant rw file access, but without dir search it's not much
use.

denied { search } for name="vibrator" dev="sysfs" ino=49606 scontext=u:r:hal_vibrator_default:s0 tcontext=u:object_r:sysfs_vibrator:s0 tclass=dir permissive=0

Bug: 72643420
Test: Builds, denial gone
Change-Id: I3513c0a14f0ac1e60517009046e2654f1fc45c66