Cross Reference: /external/crcalc

`Name`	`Date`	`Size`
Up to higher level directory
`Android.mk`	05-Oct-2017	`991`
`COPYRIGHT.txt`	05-Oct-2017	`4K`
`impl.html`	05-Oct-2017	`5.2K`
`src/`	05-Oct-2017
`tests/`	05-Oct-2017