BUG-1116: Require Peer handle for creation of AdjRIBsIn entries

This change is required in order to maintain knowledge of where we
learned a particular route. This knowledge will then be used by the
AdjRibsOut wiring to suppress announcement of routes.

Change-Id: I8e8f38f78ef9a971f4884577c7455a7262284f4a
Signed-off-by: Robert Varga <rovarga@cisco.com>
Merge "BUG-1116: Require Peer handle for creation of AdjRIBsIn entries"