Revert "handle fragment requests from Settings (1 of 2) I also removed Launcher icon, but left supporting code just in case"

This reverts commit 493ae625b4aa6d9ad64ada6befffee763be96484.
Advanced reboot control

Summary: Change-Id: I7716cde520c027182751ad8f5d7f56224ad475e2

Test Plan: Merge with respective Settings commit

Reviewers: Mustaavalkosta, michyprima, rlasalle15, randall.rushing, synergy, Roach

Differential Revision: http://review.codefirex.com/D244