When DPM is updated while lock screen is inhibited, don't
unconditionally enable lock screen.

Change-Id: Iab2af06eb8e41fbcfc6adfbeb5b42a9bbf446fe9
Delay closing the notification area after swiping a little closer.

Use the same value as when removing all notifications.

Change-Id: Id11a48bc47487fd7763503dcbc769d9dbf5ad16a
Send out USER_PRESENT broadcast on screen on if lockscreen is disabled.