Add toggle to enable ADB root

Co-authored-by: Bruno Martins <bgcngm@gmail.com>
Co-authored-by: dianlujitao <dianlujitao@lineageos.org>
Co-authored-by: Luca Stefani <luca.stefani.ge1@gmail.com>
Co-authored-by: LuK1337 <priv.luk@gmail.com>
Change-Id: Ic80dbf79265c0fe7113f42299479873befb05004