jf: Add VR-on-wired-headset device

 * Use the sub mic for regular VR
 * Also remove some unused junk

Change-Id: I30139be38a46ebb44b4f61d43cf13ff81a5e43d9
Merge pull request #13 from CyanogenMod/cm-10.1

jf: Add VR-on-wired-headset device