Dissociate wifi and wired connection status

Make wifi and wired connection status independant, and the policy for
preference of one over other be only be imposed by connman.

Open-webOS-DCO-1.0-Signed-off-by: Sapna Todwal <sapna.todwal@palm.com>

Change-Id: Ic8e9d6642049e1dbb378b59f27ae2c98d2d437b1
Reviewed-on: http://g2g.palm.com/1401
Reviewed-by: Build Verification
Tested-by: Sapna Todwal <sapna.todwal@palm.com>
Reviewed-by: Keith Derrick <keith.derrick@palm.com>