Remove service_manager_type auditing of shell source domain.

The shell domain is already allowed to list and find all service_manager
objects, so extra auditing is pointless.

Bug: 18106000
Change-Id: I8dbf674fa7ea7b05e48e5bbc352b0c9593f2b627

domain.te

@@ -167,7 +167,7 @@ allow domain asec_public_file:file r_file_perms;
 allow domain { asec_public_file asec_apk_file }:dir r_dir_perms;
 
 # log all access to specified system_server services
-auditallow { domain -service_manager_local_audit } tmp_system_server_service:service_manager {list find };
+auditallow { domain -shell -service_manager_local_audit } tmp_system_server_service:service_manager {list find };
 
 ###
 ### neverallow rules