SELinux policy for Bluetooth properties.

Properties under bluetooth. and persist.service.bdroid. are
considered Bluetooth-related properties.

Change-Id: Iee937d9a1184c2494deec46f9ed7090c643acda7
diff --git a/property.te b/property.te
index adebc6a..69dff91 100644
--- a/property.te
+++ b/property.te
@@ -9,3 +9,4 @@
 type ctl_rildaemon_prop, property_type;
 type audio_prop, property_type;
 type security_prop, property_type;
+type bluetooth_prop, property_type;