Update the callback logic for handle the wauthn_cb_update_linked_data

Update the callback logic for handle the wauthn_cb_update_linked_data

 - Add wauthn_cb_update_linked_data related logic and unittests
 - Fix bug on the __checkValidity() about valid range
 - Move UnsetBusy() into the Response Callback
 - Minor fix about naming
 - Ready for manual test with the added callback

Change-Id: I31794d5e6c9036f142ae8aaf0b58552e59c98546