Fix ongoing notifications reappearing when hidden

& some small animation tweaks again.
Lockscreen notifications: Bring inline with AOSPAL implementation
Lockscreen Notification: fix default settings derp
Lockscreen Notifications: fix phone turning on in pocket
 Lockscreen notifications: Fix pocket Mode

Change-Id: I7c69eea0e6d8403b9ea65e85494af90840a4ee8a