Allow system server to add StatsHal

Bug: 148794952
Test: m -j
Change-Id: I14cc282bb262f1ec62ab3473d9229763c1a02e21
Merged-In: I14cc282bb262f1ec62ab3473d9229763c1a02e21
diff --git a/private/system_server.te b/private/system_server.te
index 2a07a1f..f23eecf 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -7,6 +7,7 @@
 typeattribute system_server mlstrustedsubject;
 typeattribute system_server scheduler_service_server;
 typeattribute system_server sensor_service_server;
+typeattribute system_server stats_service_server;
 
 # Define a type for tmpfs-backed ashmem regions.
 tmpfs_domain(system_server)