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.
std::vector<CAddress> vAddr;
        if (pfrom.HasPermission(PF_ADDR)) {
            vAddr = m_connman.GetAddresses(MAX_ADDR_TO_SEND, MAX_PCT_ADDR_TO_SEND);
        } else {
            vAddr = m_connman.GetAddresses(pfrom, MAX_ADDR_TO_SEND, MAX_PCT_ADDR_TO_SEND);
        }
        FastRandomContext insecure_rand;
        for (const CAddress &addr : vAddr) {
            pfrom.PushAddress(addr, insecure_rand);
        }
        return;
    }
    if (msg_type == NetMsgType::MEMPOOL) {
        if (!(pfrom.GetLocalServices() & NODE_BLOOM) && !pfrom.HasPermission(PF_MEMPOOL))
        {
            if (!pfrom.HasPermission(PF_NOBAN))
            {
                LogPrint(BCLog::NET, "mempool request with bloom filters disabled, disconnect peer=%d\n", pfrom.GetId());
                pfrom.fDisconnect = true;
            }
            return;
        }
        if (m_connman.OutboundTargetReached(false) && !pfrom.HasPermission(PF_MEMPOOL))
        {
            if (!pfrom.HasPermission(PF_NOBAN))
            {
                LogPrint(BCLog::NET, "mempool request with bandwidth limit reached, disconnect peer=%d\n", pfrom.GetId());
                pfrom.fDisconnect = true;
            }
            return;