Redirect old imports of ni.protobuf.types to their new location (#1218)

* Redirect old imports of ni.protobuf.types

Signed-off-by: Michael Johansen <michael.johansen@ni.com>

* Add a comment to explain redirect.

Signed-off-by: Michael Johansen <michael.johansen@ni.com>

---------

Signed-off-by: Michael Johansen <michael.johansen@ni.com>
Co-authored-by: Michael Johansen <michael.johansen@ni.com>

Author: mjohanse-emr

packages/service/ni_measurement_plugin_sdk_service/_internal/__init__.py

@@ -1 +1,9 @@
 """Internal modules and classes for Measurement Framework."""
+
+import sys
+
+import ni.protobuf
+
+
+# Redirect old imports of the stubs that used to be defined here to their new location.
+sys.modules["ni_measurement_plugin_sdk_service._internal.stubs.ni.protobuf"] = ni.protobuf