Cross Reference: /system/extras/simpleperf/demo/SimpleperfExamplePureJava/app/src/main/java/com/example/simpleperf/simpleperfexamplepurejava

`Name`	`Date`	`Size`
Up to higher level directory
`MainActivity.java`	21-Aug-2018	`777`
`MultiProcessActivity.java`	21-Aug-2018	`2.1K`
`MultiProcessService.java`	21-Aug-2018	`1.2K`
`SleepActivity.java`	21-Aug-2018	`1.7K`