[EP][Doc] Add the exception into constructors with photo
[EP][Doc] Add the exception into constructors with photo

Fix #285

crosswalk-project/realsense-extensions-crosswalk,jondong/realsense-extensions-crosswalk,crosswalk-project/realsense-extensions-crosswalk,jondong/realsense-extensions-crosswalk,halton/realsense-extensions-crosswalk,crosswalk-project/realsense-extensions-crosswalk,crosswalk-project/realsense-extensions-crosswalk,jondong/realsense-extensions-crosswalk,halton/realsense-extensions-crosswalk,halton/realsense-extensions-crosswalk,jondong/realsense-extensions-crosswalk,halton/realsense-extensions-crosswalk