Revert "Frameworks: Slim recent app screen"

This reverts commit 373dfb388d4dd91e98cd10d0cbacf90198f91b2a.

Conflicts:

	core/res/res/values/symbols.xml
	packages/SystemUI/res/values/cm_colors.xml
	packages/SystemUI/res/values/config.xml
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/res/values/styles.xml
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java