Cross Reference: /prebuilts/go/darwin-x86/misc/swig/callback

`Name`	`Date`	`Size`
Up to higher level directory
`callback.cc`	06-Dec-2016	`389`
`callback.go`	06-Dec-2016	`268`
`callback.h`	06-Dec-2016	`530`
`callback.swigcxx`	06-Dec-2016	`375`
`callback_test.go`	06-Dec-2016	`674`