Revert "move sensors to enforcing."

Users are reporting proximity sensors errors. Reverting while
I investigate.

Possible related denials:

<5>[   66.326016] type=1400 audit(1393616977.711:21): avc:  denied  { remove_name } for  pid=1600 comm="sensors.qcom" name="sensor_ctl_socket" dev="tmpfs" ino=7370 scontext=u:r:sensors:s0 tcontext=u:object_r:socket_device:s0 tclass=dir

This reverts commit 5b6a2502531865207c38b1055e7dafadc4b0d4d9.

Bug: 13246219
Change-Id: I0ccb5cc16dcdacb6e16ab41857e11acbb85015b0
diff --git a/sepolicy/sensors.te b/sepolicy/sensors.te
index 4d6b3fc..b3c497e 100644
--- a/sepolicy/sensors.te
+++ b/sepolicy/sensors.te
@@ -2,6 +2,8 @@
 type sensors, domain;
 type sensors_exec, exec_type, file_type;
 
+permissive_or_unconfined(sensors)
+
 # Started by init
 init_daemon_domain(sensors)