[automerger] sonivox: prevent rejection of good but large MIDI files am: 123051dd02 am: cd77ee58e5 am: b1d2719524 am: aaf28257f1 am: 2ba5fc650c am: ccea49f5ae am: 1af91e35b6 am: e9fa941fa5
am: 59782c5ddd

Change-Id: I67bd0f775dab0ff50e451dfc1ac0f04f239086e8