frameworks & SystemUI: New multitasking panel

need to fix sw600dp thumbnail and layout

Conflicts:
	packages/SystemUI/res/layout-land/status_bar_recent_panel.xml
	packages/SystemUI/res/layout/status_bar_recent_panel.xml
	packages/SystemUI/res/values-ko/strings.xml
	packages/SystemUI/res/values/strings.xml
	packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java