Add visualization option for check texture and visual size To support some visualize debugging for app, let we make special environment value and json script. By change the json script files by app side, we can debug image visuals freely. Change-Id: If78d8eb0057ea28ad1b5e0f5f70809c966f2cf3e Signed-off-by: Eunki, Hong <eunkiki.hong@samsung.com>