For every peer expose through `getpeerinfo` RPC whether or not we selected them as HB peers, and whether or not they selected us as HB peers.

Suggestion by @gmaxwell.
conn_type = ConnectionType::FEELER;
            fFeeler = true;
        } else {
            
            continue;
        }
        addrman.ResolveCollisions();
        int64_t nANow = GetAdjustedTime();
        int nTries = 0;
        while (!interruptNet)
        {
            if (anchor && !m_anchors.empty()) {
                const CAddress addr = m_anchors.back();
                m_anchors.pop_back();
                if (!addr.IsValid() || IsLocal(addr) || !IsReachable(addr) ||
                    !HasAllDesirableServiceFlags(addr.nServices) ||
                    setConnected.count(addr.GetGroup(addrman.m_asmap))) continue;
                addrConnect = addr;
                LogPrint(BCLog::NET, "Trying to make an anchor connection to %s\n", addrConnect.ToString());
                break;
            }
            
            
            
            nTries++;
            if (nTries > 100)
                break;
            CAddrInfo addr;
            if (fFeeler) {