Support forward command [6/n]

Summary: Support the adb forward command

Reviewed By: jameslawson

Differential Revision: D31055957

fbshipit-source-id: bc0593320d0e187ddfc8120c1684746f9e9c4cf5

desktop/types/adbkit.d.ts

@@ -69,6 +69,7 @@ declare module 'adbkit' {
     getProperties: (serial: string) => Promise<{[key: string]: string}>;
     trackDevices: () => Promise<DeviceTracker>;
     kill: () => Promise<boolean>;
+    forward: (serial: string, local: string, remote: string) => Promise<void>;
   }
   export function createClient(config: {port: number; host: string}): Client;
 }