Support for deleting the service upon destrory (#219)

Signed-off-by: Modular Magician <[email protected]>

google/appengine_standard_app_version.go

@@ -97,6 +97,12 @@ func GetAppEngineStandardAppVersionApiObject(d TerraformResourceData, config *Co
 	} else if v, ok := d.GetOkExists("entrypoint"); !isEmptyValue(reflect.ValueOf(entrypointProp)) && (ok || !reflect.DeepEqual(v, entrypointProp)) {
 		obj["entrypoint"] = entrypointProp
 	}
+	instanceClassProp, err := expandAppEngineStandardAppVersionInstanceClass(d.Get("instance_class"), d, config)
+	if err != nil {
+		return nil, err
+	} else if v, ok := d.GetOkExists("instance_class"); !isEmptyValue(reflect.ValueOf(instanceClassProp)) && (ok || !reflect.DeepEqual(v, instanceClassProp)) {
+		obj["instanceClass"] = instanceClassProp
+	}
 
 	return obj, nil
 }
@@ -483,3 +489,7 @@ func expandAppEngineStandardAppVersionEntrypoint(v interface{}, d TerraformResou
 func expandAppEngineStandardAppVersionEntrypointShell(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
 	return v, nil
 }
+
+func expandAppEngineStandardAppVersionInstanceClass(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
+	return v, nil
+}