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.
CScheduler& scheduler, ChainstateManager& chainman, CTxMemPool& pool,
                         bool ignore_incoming_txs)
    : m_chainparams(chainparams),
      m_connman(connman),
      m_banman(banman),
      m_chainman(chainman),
      m_mempool(pool),
      m_stale_tip_check_time(0),
      m_ignore_incoming_txs(ignore_incoming_txs)
{
    
    recentRejects.reset(new CRollingBloomFilter(120000, 0.000001));
    
    
    
    
    
    
    
    
    
    g_recent_confirmed_transactions.reset(new CRollingBloomFilter(48000, 0.000001));