Cross Reference: /dalvik/dx/tests/136-null-constant-debug-info

`Name`	`Date`	`Size`
Up to higher level directory
`expected.txt`	06-Dec-2017	`0`
`info.txt`	06-Dec-2017	`492`
`NullConstant.java`	06-Dec-2017	`785`
`run`	06-Dec-2017	`693`