I'm doing this:
BasicClientCookie cookie = new BasicClientCookie("XXT", "5a5b98563c4aabd675b81e4ba0fdf6cf");
cookie.setExpiryDate(new Date("Fri Dec 11 15:24:17 GMT+06:00 2015"));
cookie.setDomain("10.0.2.2");
cookie.setPath("/");
cookie.setVersion(1);
cookie.setComment("");
cookie.setValue("5a5b98563c4aabd675b81e4ba0fdf6cf");
cookieStore.addCookie(cookie);