This will be shown when a system priv-app tries to add a profile owner
to a device that's already been through setupwizard.
Refactored the Add Device Admin dialog to also be used for this
purpose with additional warning text.
Also, make sure that profile owners cannot be deactivated.
Bug: 16207721
Change-Id: I25499a22718b2219a5a56b158ca2681243751549
Bug: 3376986
Convert the DeviceAdminSettings screen to a fragment, remove fat titlebar.
Convert the DeviceAdminAdd screen to layout nicely in the new holo DialogWhenLarge
style.
Change-Id: I20a9d16aed135a2178969dfff807075b0b79237c
Improve the look of the UI, and add the confirmation screen
for enabling an administrator. This uses the new framework APIs
to show its description and policies it will control.
