Forward port Volume panel style and Linked volumes

Summary:
Original author ptunstal

Change-Id: I4359550fabd110ced6359d2bdcd321561b08fae0

Test Plan: test and i'll clean merge

Reviewers: synergy, anders3408, jriordan001, raymanfx, donald.munn, rlasalle15

Differential Revision: http://review.codefirex.com/D502

Conflicts:
	core/java/android/provider/Settings.java