Revert "services: fix memory leak in ColorFade"

This reverts commit 947cf11272960d475164fa4bcc2570cc399cc0ac.
services: clean up "services: fix memory leak in ColorFade"

looks way better

Change-Id: I116c474b999084e051a6815b17ed737f8128a750

Conflicts:
	services/core/java/com/android/server/display/ColorFade.java