evas: add a test for loading Android 9patch file.
Example data come from https://github.com/vindolin/ninepatch/tree/master/ninepatch/data
under MIT license.
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Hermet Park <hermetpark@gmail.com>
Differential Revision: https://phab.enlightenment.org/D9105
