[automerger] sonivox: fix hang caused by bad meta-event am: ba9ea23466 am: 3983856ec1 am: 59644944e2 am: f3c51f7f1e am: d2901553df am: b0081b7c58 am: 88510ce7be am: ef8ae5940d

Change-Id: Icd393188467ddbd54bad568e7c602847fb709db5