[net, addrman] Remove external dependencies on CAddrInfo objects

CAddrInfo objects are an implementation detail of how AddrMan manages and adds
metadata to different records. Encapsulate this logic by updating Select &
SelectTriedCollision to return the additional info that the callers need.

src/bench/addrman.cpp

@@ -87,7 +87,7 @@ static void AddrManSelect(benchmark::Bench& bench)
 
     bench.run([&] {
         const auto& address = addrman.Select();
-        assert(address.GetPort() > 0);
+        assert(address.first.GetPort() > 0);
     });
 }