Add update_engine_stable_service

This is the stable AIDL binder interface that update_engine exposes in
addition to update_engine_service.

Test: run update_engine
Bug: 160996544

Change-Id: I28ba11810844373d48c8c203f79e98150f932942
diff --git a/private/compat/30.0/30.0.ignore.cil b/private/compat/30.0/30.0.ignore.cil
index 44a6799..ae09f72 100644
--- a/private/compat/30.0/30.0.ignore.cil
+++ b/private/compat/30.0/30.0.ignore.cil
@@ -12,5 +12,6 @@
     profcollectd
     profcollectd_data_file
     profcollectd_exec
-    profcollectd_service))
+    profcollectd_service
+    update_engine_stable_service))
 
diff --git a/private/service_contexts b/private/service_contexts
index 254ab5f..ce75488 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -13,6 +13,7 @@
 aidl_lazy_test_2                          u:object_r:aidl_lazy_test_service:s0
 alarm                                     u:object_r:alarm_service:s0
 android.os.UpdateEngineService            u:object_r:update_engine_service:s0
+android.os.UpdateEngineStableService      u:object_r:update_engine_stable_service:s0
 android.security.identity                 u:object_r:credstore_service:s0
 android.security.keystore                 u:object_r:keystore_service:s0
 android.service.gatekeeper.IGateKeeperService    u:object_r:gatekeeper_service:s0
diff --git a/public/service.te b/public/service.te
index b8b15c0..283e66d 100644
--- a/public/service.te
+++ b/public/service.te
@@ -34,6 +34,7 @@
 type system_app_service,        service_manager_type;
 type system_suspend_control_service, service_manager_type;
 type update_engine_service,     service_manager_type;
+type update_engine_stable_service, service_manager_type;
 type virtual_touchpad_service,  service_manager_type;
 type vold_service,              service_manager_type;
 type vr_hwc_service,            service_manager_type;
diff --git a/public/update_engine.te b/public/update_engine.te
index ba2f3cf..b7cf827 100644
--- a/public/update_engine.te
+++ b/public/update_engine.te
@@ -35,6 +35,7 @@
 # Register the service to perform Binder IPC.
 binder_use(update_engine)
 add_service(update_engine, update_engine_service)
+add_service(update_engine, update_engine_stable_service)
 
 # Allow update_engine to call the callback function provided by priv_app/GMS core.
 binder_call(update_engine, priv_app)