Constraining Stellar-mass Black Hole Mergers in AGN Disks Detectable with LIGO by McKernan, B, Ford, KES, Bellovary, J, Leigh, NWC, Haiman, Z, Kocsis, B, Lyra, W, Mac Low, M-M, Metzger, B, O'Dowd, M, Endlich, S, Rosen, DJ