Move pre_delete code closer to the request (GoogleCloudPlatform#10143)

mmv1/templates/terraform/resource.erb

@@ -1032,7 +1032,6 @@ func resource<%= object.resource_name -%>Delete(d *schema.ResourceData, meta int
 
 <%# If the deletion of the object requires sending a request body, the custom code will set 'obj' -%>
     var obj map[string]interface{}
-<%= lines(compile(pwd + '/' + object.custom_code.pre_delete)) if object.custom_code.pre_delete -%>
 <%      if object.nested_query&.modify_by_patch -%>
 <%# Keep this after mutex - patch request data relies on current resource state %>
     obj, err = resource<%= object.resource_name -%>PatchDeleteEncoder(d, meta, obj)
@@ -1057,6 +1056,8 @@ func resource<%= object.resource_name -%>Delete(d *schema.ResourceData, meta int
       billingProject = bp
     }
 
+<%= lines(compile(pwd + '/' + object.custom_code.pre_delete)) if object.custom_code.pre_delete -%>
+
     log.Printf("[DEBUG] Deleting <%= object.name -%> %q", d.Id())
     res, err := transport_tpg.SendRequest(transport_tpg.SendRequestOptions{
         Config: config,