[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 am: 52fae8ba07

Change-Id: I2a0529ebc6d7cf717958fb543c7066e0ac68dd0a