Popup a dialog to display user IMEI information

 - Add new dialog fragment to show imei information
 - Create layout files for the dialog
 - Create a new controller to launch the dialog activity
 - Create a new controller to update the contents of the dialog
 - Deprecate old files that are no longer used in about phone v2

Bug: 36458278
Test: make RunSettingsRoboTests -j40
Change-Id: I6d4273726e2271049a0ab69c2375dac0ac393e04
16 files changed