Cross Reference: /external/smack/src/org/jivesoftware/smackx/ping

`Name`	`Date`	`Size`
Up to higher level directory
`packet/`	23-Apr-2015
`PingFailedListener.java`	23-Apr-2015	`723`
`PingManager.java`	23-Apr-2015	`11K`
`provider/`	23-Apr-2015
`ServerPingTask.java`	23-Apr-2015	`2.7K`