Interface: Bring in DPI Wizard

Summary:
Brought in from jb-devel-mr2-release
Depends on D332
Depends on D333

Test Plan: just about to test if it's solid.

Reviewers: randall.rushing, raymanfx, synergy

Reviewed By: synergy

Differential Revision: http://review.codefirex.com/D334

Conflicts:
	res/values/cm_arrays.xml
	res/values/cm_strings.xml
	res/xml/system_ui_settings.xml