Add cache-key property for package and permission information

Bug: 140788621
Test: inspection
Change-Id: Ia6a14721531fe95be01223e2f95c9de0ec683417
diff --git a/public/property_contexts b/public/property_contexts
index b1f08dd..4bc9956 100644
--- a/public/property_contexts
+++ b/public/property_contexts
@@ -458,3 +458,4 @@
 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
+cache_key.package_info                   u:object_r:binder_cache_system_server_prop:s0