[SystemInfo] add system_info_network_ivi.cc to fit tizen ivi/common.

Follow system_info_sim_ivi.cc(#369), add system_info_network_ivi.cc to fit ivi/common system.

BUG=XWALK-2361
Please follow how to do that in chromium code base, for eg [src/base/base_switches.h](https://code.google.com/p/chromium/codesearch#chromium/src/base/base_switches.h&q=base_switches.h&type=cs&sq=package:chromium)