Changes to Update flow properties (description, clock type, etc.).

added the new tai enum value to the flow/properties/clock_type response property for the response status 200

added the new optional request property properties/direct_media_timing

added the new optional request property properties/ntp_info

added the new optional request property properties/ntp_port

added the new tai enum value to the request property properties/clock_type

added the optional property flow/properties/direct_media_timing to the response with the 200 status

added the optional property flow/properties/ntp_info to the response with the 200 status

added the optional property flow/properties/ntp_port to the response with the 200 status

added the new optional request property properties/ephemeral

added the optional property flow/properties/ephemeral to the response with the 200 status

removed the enum value tai of the request property properties/clock_type

removed the request property properties/direct_media_timing

removed the request property properties/ephemeral

removed the request property properties/ntp_info

removed the request property properties/ntp_port

removed the optional property flow/properties/direct_media_timing from the response with the 200 status

removed the optional property flow/properties/ephemeral from the response with the 200 status

removed the optional property flow/properties/ntp_info from the response with the 200 status

removed the optional property flow/properties/ntp_port from the response with the 200 status

removed the tai enum value from the flow/properties/clock_type response property for the response status 200