Add sepolicy for background_install_control service

The background_install_control service is going to detect
background installed apps and provide the list of such apps.

Bug: 244216300
Test: manual
Change-Id: I6500f29ee063da4a3bc18e109260de419dd39218
diff --git a/private/service.te b/private/service.te
index 84e39ae..8059bfb 100644
--- a/private/service.te
+++ b/private/service.te
@@ -1,7 +1,8 @@
 type ambient_context_service,       app_api_service, system_server_service, service_manager_type;
 type attention_service,             system_server_service, service_manager_type;
+type bg_install_control_service,    system_server_service, service_manager_type;
 type compos_service,                service_manager_type;
-type communal_service,      app_api_service, system_server_service, service_manager_type;
+type communal_service,              app_api_service, system_server_service, service_manager_type;
 type dynamic_system_service,        system_api_service, system_server_service, service_manager_type;
 type gsi_service,                   service_manager_type;
 type incidentcompanion_service,     app_api_service, system_api_service, system_server_service, service_manager_type;
diff --git a/private/service_contexts b/private/service_contexts
index beeabbd..b083972 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -134,6 +134,7 @@
 audio                                     u:object_r:audio_service:s0
 auth                                      u:object_r:auth_service:s0
 autofill                                  u:object_r:autofill_service:s0
+background_install_control                u:object_r:bg_install_control_service:s0
 backup                                    u:object_r:backup_service:s0
 batteryproperties                         u:object_r:batteryproperties_service:s0
 batterystats                              u:object_r:batterystats_service:s0