[CHANGE ME] Re-generated Spanner to pick up changes in the API or client library generator. (#1478)
[CHANGE ME] Re-generated Spanner to pick up changes in the API or client library generator. (#1478)


googleapis/google-cloud-php,googleapis/google-cloud-php,jdpedrie/google-cloud-php,chingor13/google-cloud-php,chingor13/google-cloud-php,googleapis/google-cloud-php,jdpedrie/google-cloud-php,jdpedrie/google-cloud-php,chingor13/google-cloud-php