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

This reverts commit b073d7b8bdfbb1c888fe6d875e6cbf6d727b862c.

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

Change-Id: Ib15b1039fcb486ecdf3a60ee05df641905eade90
Merge "Revert "FB: Slimrecents background color && transparency [2/2]"" into kitkat3