For Michael McNelis, Sept. 11, 2001, began with an answering machine message. McNelis, 54, was home in Malverne preparing for his overnight shift with the New York City Police Department when he was told to report to work. A member of the NYPD since 1997, he was assigned to the 110th Precinct in Corona, Queens. McNelis, who grew up in Oceanside, had desired to become a police officer since childhood. “I wanted to be a police officer since I was …