PermissionToken (dexter API)

```
public interface PermissionToken
```
Utility class to let clients show the user how is the permission going to be used Clients of this class must call one of the two methods and only once

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`cancelPermissionRequest()` Cancels the permission request process
`void`	`continuePermissionRequest()` Continues with the permission request process

Interface PermissionToken