frameworks & SystemUI: Update multitasking panel layout and cleanup

PS2: Support sw600dp devices

PS3: Support livewallpaper background

PS4: Use chameleon os circle memory

Thanks to circle memory chameleon os! :)

PS5: fix SysUI FC

PS6: Remove progress rambar

Conflicts:
	packages/SystemUI/src/com/android/systemui/recent/RecentsHorizontalScrollView.java