StopSwitchDelay - Remove 5s Delay To Open Apps After Pressing Home Button

Conflicts:
	services/java/com/android/server/am/ActivityManagerService.java

Change-Id: I86b882244dc5e240a2e94d651fa5366c43919dee
Disabled scrolling cache

Change-Id: Ica7353e2b491743000dd3c788e5925d85ca11a3b