Move "getinfo" method to com.palm.connectionmanager

-Support mac address field for both wired as well as wifi interfaces
-Remove unnecessary fields in the original "getinfo"

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

Change-Id: I43ed77145d91623466c08ddf4a3ca857f9c8e3cc
Reviewed-on: http://g2g.palm.com/1298
Reviewed-by: Build Verification
Tested-by: Sapna Todwal <sapna.todwal@palm.com>
Reviewed-by: Keith Derrick <keith.derrick@palm.com>