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.
cache_entry.m_addrs_response_cache = GetAddresses(max_addresses, max_pct);
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        
        cache_entry.m_cache_entry_expiration = current_time + std::chrono::hours(21) + GetRandMillis(std::chrono::hours(6));
    }
    return cache_entry.m_addrs_response_cache;
}
bool CConnman::AddNode(const std::string& strNode)