### What this PR does / why we need it? add get_kv_connector_handshake_metadata func for 0.11.2 Signed-off-by: liziyu <liziyu16@huawei.com>
### What this PR does / why we need it? add get_kv_connector_handshake_metadata func for 0.11.2 Signed-off-by: liziyu <liziyu16@huawei.com>