recovery: match API to AOSP

Change-Id: I96e910e1fdb27027c775431de27364b70b83865f
See: http://review.cyanogenmod.org/#/c/52047/
overlay: update bluetooth and usb tethering iface names

Change-Id: I1a2bcbd76b8022be5e481744f8cdceec68202739
Merge remote-tracking branch 'TeamHydra/cm-10.2' into carbon-jb3