Revert "Revert "Frameworks: add ability to send a custom intent after keyguard is finished""

This reverts commit a763372938cde24ee8442e77aa2e13ba1b6a333d.
Misc fixes for carrier label and add needed MokeeUtil file

Change-Id: I5daa2d9753d9cbf254373a8f8c9d208ac2c0363b