Add kUpdateStatusCleanupPreviousUpdate. am: 4b3c76a71e am: 5a59b94d97 am: 62a171fbb7

Change-Id: I993a8954c23642cc06dfed7bf4c8d3e82e07fe2c
diff --git a/dbus/update_engine/dbus-constants.h b/dbus/update_engine/dbus-constants.h
index 9551b41..f496279 100644
--- a/dbus/update_engine/dbus-constants.h
+++ b/dbus/update_engine/dbus-constants.h
@@ -61,6 +61,8 @@
 const char kUpdateStatusDisabled[] = "UPDATE_STATUS_DISABLED";
 const char kUpdateStatusNeedPermissionToUpdate[] =
     "UPDATE_STATUS_NEED_PERMISSION_TO_UPDATE";
+const char kUpdateStatusCleanupPreviousUpdate[] =
+    "UPDATE_STATUS_CLEANUP_PREVIOUS_UPDATE";
 }  // namespace update_engine
 
 #endif  // SYSTEM_API_DBUS_UPDATE_ENGINE_DBUS_CONSTANTS_H_