[2/2] Notification Reminder Thanks SlimRoms

PS2: Missing imports & fix build
PS3: Rebase
PS4: Rebase

Change-Id: Ieb53589a8d1223f9e27717ce5bee17f84c4a3ac6
[2/2] Notification Reminder Interval && Fixes

PS2: update Author

Change-Id: Ib31291a9db6a4c172fd60100cd24f52b58060699