The file was removed in 5c3a5cf810 but
left the description, documentation and parts of the functionality
unchanged. This change adds the camera functionality back into the
example.
Change-Id: I3bfdd95f8322796d446c571a4e074ce98e5443dd
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>