Revert "Fix Statusbar Toggle?"

This reverts commit a5f014d80771e83c91d6589d4e79c4254c789777.
Revert "FW: Status Bar Hide toggle (1/3)"

This reverts commit d46cf8c8389d379540b4f9fa0ab3af790fb26b42.
Fix and cleanup Expanded Desktop Mode

no need to call state and mode several times from provider settings.
Cleaned up.

Also fix for the ugly lockscreen gap on expanded desktop
mode 1 and 3

And fix that mode changes reflects directly to the screen if
expanded state = 1

cheers

Change-Id: I8cc0d936af270d72f2fb5c005a28c575576d894b
Frameworks: Ehance toggleNotificationShade feature

allows to toggle notification drawer in any situations
on fullscreen mode as well in expanded desktop mode
and on all other features we have
cheers

Change-Id: I56185f2c48700d9f2d69c02585810db4e95e2e32

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
Status bar Auto-Hide [1/2]

Add an option to auto-hide status bar when there are no
notifications.

PS 2 : Improved Logic

Change-Id: I9f9fdb443f6ed981c1941716491cef757b42f8ba

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
	policy/src/com/android/internal/policy/impl/PhoneWindowManager.java