Frameworks: inital bringup of slim actions and helper classes

Bring back slimactions.

- Most actions are available and adapted to LP (mainly statusbar actions we did on kk need to be ported back again)
- Cleanup of old code
- Renamed classes and methods

and more.....

This is the base for all the comming features now

Change-Id: I0b4458325e248319217b8e41b64e2cf1e45f56cd

Conflicts:
	core/java/com/android/internal/util/crdroid/SlimActionConstants.java
	core/java/com/android/internal/util/slim/ActionConstants.java
	core/java/com/android/internal/util/slim/SlimActionConstants.java