Revert "Settings: Slimrecents background color && transparency [1/2]"

This reverts commit d818bfad2332378da66e07e628ecf1ca6e351729.

Conflicts:
	src/com/android/settings/liquid/RecentPanelSettings.java

Change-Id: Ie98d41861e80c876a252ec782c4eb7f5c3452d5c
Merge "Revert "Settings: Slimrecents background color && transparency [1/2]"" into kitkat3