[automerger] Add PDU size checks in process_service_search_attr_rsp am: 3181bdee am: ab7f755c am: c8a02c4b am: 0f69ef17 am: 1e0d3baf am: 13a24d8c am: 42d53a8c am: 2f5acf66 Change-Id: I55b0755496a55a6f1c5a84227104f6478f05d0b4