Update the token

• After logging in (authentication successful), will get a token with a certain expiration date, Through this interface it is possible to reacquired.The login process can be avoided.

such as, request: http://api.dessmonitor.com/public/?sign=84cfa496a0fe6d7840dd2133e9fa9e12d25a487d&salt=1509429799415&token=f88b49ab6876b49957ba744b6beb4d4b017a9d9cf6a78a14ca1ef4aab568c093&action=updateToken&source=1&_app_client_=android&_app_id_=com.demo.test&_app_version_=3.6.2.1

response: Same as the authentication interface, seeAuthentication interface invoke.