Settings: Add option to disable logging

Bug: 26178938
Change-Id: I07eebf9f3854aa447950909b6e97a565b2846644
diff --git a/property_contexts b/property_contexts
index c1caed4..b207277 100644
--- a/property_contexts
+++ b/property_contexts
@@ -37,6 +37,7 @@
 persist.audio.          u:object_r:audio_prop:s0
 persist.debug.          u:object_r:persist_debug_prop:s0
 persist.logd.           u:object_r:logd_prop:s0
+persist.log.tag         u:object_r:logd_prop:s0
 persist.sys.            u:object_r:system_prop:s0
 persist.service.        u:object_r:system_prop:s0
 persist.service.bdroid. u:object_r:bluetooth_prop:s0