Launcher APIs and broadcasts for managed profiles

UserManager
- Corp badging
- Querying list of managed profiles

Launcher API
- LauncherApps and Service to proxy changes in managed profile
  to the launcher in the primary profile
- Querying and launching launchable apps across profiles

Change-Id: Id8f7b4201afdfb5f414d04156d7b81300119289e
17 files changed