am 53c84ed4: isolated_app: allow app_data_file lock

* commit '53c84ed4':
  isolated_app: allow app_data_file lock

isolated_app.te

@@ -13,7 +13,7 @@ type isolated_app, domain;
 app_domain(isolated_app)
 
 # Access already open app data files received over Binder or local socket IPC.
-allow isolated_app app_data_file:file { read write getattr };
+allow isolated_app app_data_file:file { read write getattr lock };
 
 allow isolated_app activity_service:service_manager find;
 allow isolated_app display_service:service_manager find;