The Galaxy Beta program is currently in the full swing of things and part of that program is taking suggestions and feedback from participants of the program. According to a reply received from a tester, Samsung is pleased to announce that it it "trying to improve the features of the Fingerprint Scanner. A beta program tester suggested that the fingerprint scanner should work similarly to the way the Google Pixel (XL) allow you to swipe up or down to control the notification shade. As a reference, Google Pixel users can swipe up or down on the fingerprint scanner while the device is in use...
Source: http://www.gsmarena.com/nougat_update_could_bring_fingerprint_gestures_on_current_galaxy_devices-news-22223.php