JAKARTA, Indonesia — Navy divers have recovered the cockpit voice recorder of a Lion Air jet that crashed into the Java Sea in October, Indonesian officials said Monday, in a possible boost to the investigation into why the 2-month-old plane nosedived at high velocity, killing 189 people. Ridwan Djamaluddin, a deputy maritime minister, told reporters that remains of some of the people who died in the crash were also discovered at the seabed location. A spokesman for the Indonesian navy’s western fleet, Lt.