[automerger] Add PDU size checks in process_service_search_attr_rsp am: 3181bdee am: ab7f755c am: c8a02c4b am: 0f69ef17 am: 1e0d3baf am: 13a24d8c Change-Id: Id9651d76b8cd1ab201f5f3024ea8f7b2d57de521