[automerger] SDP: return error on offset bigger than atribute length am: 3565eaf7 am: 67c78b25 am: 1c4f9c96 am: 05ba0519 am: 612ba99b am: 0e36165a Change-Id: I4aa5b4cd6f852466c6233c9afb51165c06c4616b