Leo Barraclough International Features EditorRising British singer-songwriter and actor Arlo, who signed a major recording deal earlier this year with Sony Music Entertainment’s Arista Records label, is developing a scripted television series with Lionsgate and Eleven Films, producers of Netflix hit “Sex Education.”Eleven will produce and develop the series, which will follow a young man in East London dealing with the complex relationship between his working-class background and success in the