Sync internal master and AOSP sepolicy.

Bug: 37916906
Test: Builds 'n' boots.
Change-Id: Ia1d86264446ebecc1ca79f32f11354921bc77668
Merged-In: I208ec6a864127a059fb389417a9c6b259d7474cb
diff --git a/private/property_contexts b/private/property_contexts
index 2bbc3c5..55974c0 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -113,8 +113,9 @@
 # Shared between system server and wificond
 wlan.                   u:object_r:wifi_prop:s0
 
+# Lowpan properties
+lowpan.                 u:object_r:lowpan_prop:s0
+ro.lowpan.              u:object_r:lowpan_prop:s0
+
 # hwservicemanager properties
 hwservicemanager.       u:object_r:hwservicemanager_prop:s0
-
-# ASAN install trigger
-asan.restore_reboot  u:object_r:asan_reboot_prop:s0