[automerger] Add EFFECT_CMD_SET_PARAM parameter checking to Downmix and Reverb am: 804632afcd am: bc1d023cc9 am: 03c1ecd9fe am: c4b06bbc1e am: 5c6acee104 am: fcc98fa3b1 am: 1f2d8b0b36 am: 698581c556

Change-Id: I4f5a7068fb53ffacecbd5707771d57488ea307cf