Hover: fix wrong values apllied

- In clean installations "topmmost app" and "require full screen" were anabled even not ticked in settings part. This commit fix this.

Change-Id: I88687b8c9c00759cfe2087af03f73f9158462165

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/notification/Hover.java
Slim recent: fix misbehavior when launch floating window

Change-Id: If58372201de8574df124e292becee02e0fe5d893

Conflicts:
	packages/SystemUI/src/com/android/systemui/slimrecent/RecentPanelView.java
Slim recent: add support for blacklist interface

- Totally base on @BigBrother1984 work. Big thanks to him!

Change-Id: I1259f0ea7c6157b0574dd065a86137ffb68479de