Automatically set Android devices into the permissive mode

Reviewed By: nikoant

Differential Revision: D35356211

fbshipit-source-id: 471470c5ca91c824590a409c4474433f2277b1f2

desktop/types/adbkit.d.ts

@@ -57,6 +57,7 @@ declare module 'adbkit' {
       serial: string,
       command: string | string[],
     ) => Promise<NodeJS.ReadStream>;
+    root: (serial: string) => Promise<true>;
     screencap: (serial: string) => Promise<NodeJS.WriteStream>;
     pull: (serial: string, path: string) => Promise<PullTransfer>;
     openLogcat: (