Merge "Initialize device_type before use it"

  bool is_hid = check_cod(&bd_addr, COD_HID_POINTING);

  bond_state_changed(BT_STATUS_SUCCESS, bd_addr, BT_BOND_STATE_BONDING);

  int device_type;

  int device_type = 0;

  int addr_type;

  std::string addrstr = bd_addr.ToString();

  const char* bdstr = addrstr.c_str();