Revert "Revert "Add NETLINK_ROUTE socket creation and event propagation""

This reverts commit 19fb0c4e5ec6a10473666a2d45267fbc8305ba85.

Conflicts:

	NetlinkManager.cpp

Brings back Stan Chesnutt's change related to adding NETLINK_ROUTE
socket creation and event propagation.

Change-Id: I8c0625a95b7996ef75b883ce764c3244dd553a47
Signed-off-by: Mike J. Chen <mjchen@google.com>
4 files changed