sepolicy: Address dynamic sensor HAL denials

W android.hardwar: type=1400 audit(0.0:21): avc:  denied  { read } for  name="/" dev="tmpfs" ino=1 scontext=u:r:hal_sensors_default:s0 tcontext=u:object_r:device:s0 tclass=dir permissive=0
D DynamicSensorHal: DynamicSensorsSubHal::getSensorsList_2_1 invoked.
E DynamicSensorHal: Problem open dir /dev/, errno: Permission denied

Change-Id: Ib6030e5592a300fe2b3dda4d0bf5792e9083e901

Author: log1cs

sepolicy/qti/vendor/hal_sensors_default.te

@@ -1,3 +1,5 @@
 binder_call(hal_sensors_default, vendor_hal_idd_default)
 
+allow hal_sensors_default device:dir r_dir_perms;
+
 allow hal_sensors_default vendor_hal_idd_hwservice:hwservice_manager find;