Two NYPD officers responding to a domestic violence call suffered non-life-threatening gunshot wounds in a confrontation with an ex-convict in Brooklyn on Tuesday afternoon, police said. A 911 call from a mother who said she was being attacked by her adult son summoned the officers to an apartment on Bergen Street near Saratoga Avenue in Brownsville just after 3 p.m., according to cops. “It’s always an argument between mother and her son,” said neighbor Nova Fuller. “He screamed, ‘Remember what you said to me yesterday? I am not going back to jail!’” The mother said she suffered a head injury …