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

Summary: Change-Id: I7716cde520c027182751ad8f5d7f56224ad475e2

Test Plan: Merge with respective Settings commit

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

Reviewed By: synergy

Differential Revision: http://review.codefirex.com/D233