‘Andor’ revives Diego Luna’s character in ‘Rogue One’ prequel

A prequel to a prequel, “Andor” brings a gritty tone and look to the “Star Wars” universe, as much the washed-out landscape of “Blade Runner” as George Lucas’ far-away galaxy. Yet whatever promise that entails is mostly lost in flabby storytelling, essentially stretching what would have been a 10-minute movie prologue over the first three episodes.