Teach service chaining code to honor NO_ADVERTISE

Change-Id: I25c6c9bb75f6f60a940df4af290c95ad80a592c0
Cosmetic changes to rtarget_peer_test

Clean up include files.
Add helper methods to verify inet and rtarget routes.

Change-Id: I7bffb292bba863a09e96cbcd679ea02dfae75e78
Merge "Cosmetic changes to rtarget_peer_test"
Merge "Teach service chaining code to honor NO_ADVERTISE"
Test case fixes.

Change-Id: Ifdd70f2a6b71175c3b64a563525889788837cfb8
Register callback for xmpp event listener before bringing up.

Change-Id: Ib168a3b0c780227cd5b63c864d5b61f7ef05ff21