Has anyone encountered this issue on a Nexus 6P device? I am only getting this issue on a Nexus 6P (running Google Fi).
When I install the app there is a key for
Since Nexus 6P is running Android M, I think Automatic Backups is the issue.
I think You can use allowBackup to stop that.
Check this answer: https://stackoverflow.com/a/32010582/336312