Revert "Frameworks: Ehance toggleNotificationShade feature" and fine tunnings in PhoneWindowManager.java (SlimRoms way) to bring back hide status bar and quickpeek

Change-Id: Ia0e79ff481e08b4fb0649170c68a29214072f717
Frameworks: reenable all keyboard features for 3rd party keyboards

- Fix keyboard force close in new SlimPIE implementation

Change-Id: I7eb056a9cb0ee5ca1128a16617db636c2ae1faaf