This has the full filter functionality, but is currently only
able to block Activity intents. Logging intents, or blocking
service/broadcast intents is not yet implemented.
Change-Id: Ied3d8dedf982e17bcbdff3e328eeb87477954df7
A couple problems:
- We need to clear app preferences later, now that we have encrypted apps.
- The multi-user implementation of this would allow different preferred
apps from different users to potentially interefere with each other.
They are not completely separate data structures.
Change-Id: Id4f1ebb6414fdf30ff1049adaa1efe83dabac01a