SlimRecents: add floating window menu

Change-Id: I63894fb8551b881c45c991bc30353b3dc4f3e43c

Conflicts:
	packages/SystemUI/res/values/cr_strings.xml

Conflicts:
	packages/SystemUI/src/com/android/systemui/slimrecent/RecentPanelView.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