SE policy for tuner service.

Test: make; acloud;  tuner sample input
Change-Id: I651632ec7f4ba79d94738c11c343f63510e59aa6
diff --git a/private/service.te b/private/service.te
index 29932d2..f17fe86 100644
--- a/private/service.te
+++ b/private/service.te
@@ -2,6 +2,7 @@
 type dynamic_system_service,        system_api_service, system_server_service, service_manager_type;
 type gsi_service,                   service_manager_type;
 type incidentcompanion_service,     system_api_service, system_server_service, service_manager_type;
+type mediatuner_service,            app_api_service, service_manager_type;
 type profcollectd_service,          service_manager_type;
 type stats_service,                 service_manager_type;
 type statscompanion_service,        system_server_service, service_manager_type;