Update ReplMgr and aiDaemon for usb.

Update ReplMgr to support usb and emulators, at the same time!

Change-Id: I9f5bf3b19f8b7b4067bea032ed35037adcc39c79
Add UI for USB Connection.

Change-Id: Iee8e94a601020cb351fc964443fae534fa3f3bdc