property_contexts: add location cache

Add support for isLocationEnabledForUser caching.

Test: location cache works
Bug: 140788621
Change-Id: Ic42da5ce770b21ff2304dec176b8761aed75ea20
diff --git a/public/property_contexts b/public/property_contexts
index 4b7c744..0e2a654 100644
--- a/public/property_contexts
+++ b/public/property_contexts
@@ -455,3 +455,4 @@
 cache_key.is_user_unlocked               u:object_r:binder_cache_system_server_prop:s0
 cache_key.volume_list                    u:object_r:binder_cache_system_server_prop:s0
 cache_key.display_info                   u:object_r:binder_cache_system_server_prop:s0
+cache_key.location_enabled               u:object_r:binder_cache_system_server_prop:s0