Families of those killed when a Lion Air plane crashed off Indonesia last year are expected to meet safety regulators on Wednesday to be briefed on a final report into the disaster that could be released within days.All 189 passengers and crew died when the 737 MAX jet slammed into the Java Sea shortly after takeoff from Jakarta last October.The model was grounded worldwide after an Ethiopian Airlines 737 MAX crashed after taking off from Addis Ababa in March, killing 157 people aboard.Prelim