MON-224 Outputs for all monitors of mysql

cloud/gcp/cloud-sql/mysql/outputs.tf

@@ -0,0 +1,15 @@
+output "network_connections_id" {
+  value = "${datadog_monitor.network_connections.id}"
+}
+
+output "replication_lag_id" {
+  value = "${datadog_monitor.replication_lag.id}"
+}
+
+output "queries_changing_anomaly_id" {
+  value = ["${datadog_monitor.queries_changing_anomaly.*.id}"]
+}
+
+output "questions_changing_anomaly_id" {
+  value = ["${datadog_monitor.questions_changing_anomaly.*.id}"]
+}