Merge "GAP: Handled collision scenerio with headset" into klp-wireless-dev

    BTM_TRACE_EVENT ("btm_sec_link_key_request()  BDA: %02x:%02x:%02x:%02x:%02x:%02x",

                      p_bda[0], p_bda[1], p_bda[2], p_bda[3], p_bda[4], p_bda[5]);

    if( (btm_cb.pairing_state == BTM_PAIR_STATE_WAIT_PIN_REQ) &&

        (btm_cb.collision_start_time != 0) &&

        (memcmp (btm_cb.p_collided_dev_rec->bd_addr, p_bda, BD_ADDR_LEN) == 0) )

    {

        BTM_TRACE_EVENT ("btm_sec_link_key_request() rejecting link key req "

            "State: %d START_TIMEOUT : %d",

             btm_cb.pairing_state, btm_cb.collision_start_time);

        btsnd_hcic_link_key_neg_reply (p_bda);

        return;

    }

    if (p_dev_rec->sec_flags & BTM_SEC_LINK_KEY_KNOWN)

    {

        btsnd_hcic_link_key_req_reply (p_bda, p_dev_rec->link_key);