Synthetics EVP forwarder. (#1704)

Author: Fabrice-Matrat

components/datadog/agentparams/params.go

@@ -283,6 +283,8 @@ network_devices.netflow.forwarder.logs_dd_url: %[1]s:%[2]d
 network_devices.netflow.forwarder.logs_no_ssl: true
 network_path.forwarder.logs_dd_url: %[1]s:%[2]d
 network_path.forwarder.logs_no_ssl: true
+synthetics.forwarder.logs_dd_url: %[1]s:%[2]d
+synthetics.forwarder.logs_no_ssl: true
 container_lifecycle.logs_dd_url: %[1]s:%[2]d
 container_lifecycle.logs_no_ssl: true
 container_image.logs_dd_url: %[1]s:%[2]d