Frameworks: apple can do...we can do as well

incredible apple engineers speeded up the overall UI and reduced per default slightly
the animation scales. Well we do as well and reduce it from 1 to 0.75...smooth, looks well
and does not break anything

Change-Id: Icbcc889e49c8d3ab24cf2b1c10bbe0e8bf7e7637

Conflicts:
	services/java/com/android/server/wm/WindowManagerService.java