The Google Pixel’s fingerprint action, namely called “Moves,” allows you to swipe down on the fingerprint sensor to drop down the notification bar. Unfortunately, Google’s made this exclusive to newly released phones only. However, there’s a nice little trick now available via an APK.
The feature, which is particularly useful for phones with large screens, such as the Nexus 6P, is intended to be a Pixel and Android 7.1 (new phones) exclusive but has now made its way to all fingerprint-enabled Android devices.
You can also disable the persistent notification in the app if you want by long pressing on the notification and “silencing” it.
Source: XDA Developers