Google is trying to stop you having to put in passwords

Google has taken the next big step forward in its war against the password – an open source system to instantly and securely log you into apps on your phone using your password manager.A partnership with Dashlane and other password managers, the new open source project called Open Yolo (You only login once) aims to provide a secure link between third-party android apps and password managers. Using the system, users would only need to log into their password manager to access all their apps, without retyping any usernames or passwords.
https://www.theguardian.com/technology/2016/aug/05/google-passwords-open-yolo-dashlane-android