- Pressing back key when pairing dialog appears infront , device shows "Pairing..." if we don't have any bonded device in device list. - when press back key will perform onCancel() operation. Change-Id: Iacd654efad455f17a5c3bb09f822d9af5a7aed7d Signed-off-by: jhtop.kim <jhtop.kim@samsung.com>