Cross Reference: /art/test/HiddenApiSignatures

`Name`	`Date`	`Size`
Up to higher level directory
`Class1.java`	21-Aug-2018	`861`
`Class12.java`	21-Aug-2018	`732`
`Class2.java`	21-Aug-2018	`771`
`Class3.java`	21-Aug-2018	`771`
`Interface.java`	21-Aug-2018	`707`