Application Crashes on Unity 2018.1.0f2

[FaizanDurrani]

ANR occurs after choosing an account OR closing the dialog with the back button
Unity version: 2018.1.0f2
Google Signin verison: 1.0.3

Project: https://drive.google.com/open?id=12Yl4ns3vdrooi-i4DYFLvGDBAnC7eE5K
NOTE: Clean project with Google Signin 1.0.3