SlimRecent: Make it optional [1/2]

PS1: add toggle button between AOSB && Slim Recent
PS2: don't run slim controller if not enabled
PS3: check for correct home listener button

TODO:
Disable Home Longpress
ShutDown Default recent service if slim enabled

Signed-off-by: anerik <anerikgames@gmail.com>

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java