Allow traceur to call atrace HAL

Bug: 116783882
Bug: 111098596
Test: turn on/off system_tracing
Change-Id: I089851924bdb1a5cd71598a7014d17fedc87625a

public/traceur_app.te

@@ -16,6 +16,9 @@ allow traceur_app {
   -vr_hwc_service
 }:service_manager find;
 
+# Allow traceur_app to use atrace HAL
+hal_client_domain(traceur_app, hal_atrace)
+
 dontaudit traceur_app service_manager_type:service_manager find;
 dontaudit traceur_app hwservice_manager_type:hwservice_manager find;
 dontaudit traceur_app domain:binder call;