Fix slim recents popup

Change-Id: Iee443949c5de870d1ef7c6cc977e9bc7e9b9f92b
Fix Floating window bug

1. any app in recent apps + launch floating app in home screen
2. close floating app
3. last app in recent apps will launch and close in 0.5 sec

Change-Id: I6fa8605b431ae8f82ca6be34a8fc4b9cab407c9a
Merge "Fix slim recents popup" into kitkat
Merge "Fix Floating window bug" into kitkat