Cross Reference: /build/make/tools/signapk

`Name`	`Date`	`Size`
Up to higher level directory
`Android.bp`	22-Oct-2020	`1.2K`
`OWNERS`	22-Oct-2020	`40`
`SignApk.mf`	22-Oct-2020	`40`
`src/`	22-Oct-2020
`test/`	22-Oct-2020