Patrick Frater Asia Bureau ChiefNext month’s Osaka Asian Film Festival will open with a screening of documentary feature “Keep Rolling.” The festival, which runs in front of live audiences March 5-14, 2021, will close with the world premiere of Ishii Yuya’s “The Asian Angel.”“Keep Rolling” is a touching portrait of the long, up and down career of Ann Hui, the Hong Kong film maker who was this year awarded an honorary Golden Lion at the Venice film festival.