Revert "Clear Recent Apps"

This reverts commit c3d459eac127ffc37011ddd485fd771044939510.

Conflicts:
	packages/SystemUI/res/drawable-xhdpi/ic_sysbar_recent_clear.png
	packages/SystemUI/res/drawable-xhdpi/ic_sysbar_recent_clear_land.png
Revert "Double tap home options (1/2)"

This reverts commit 82bae7c928212bcd3a1c504bae85a7a1e06bff07.

Conflicts:
	core/java/android/provider/Settings.java