appsdk-bump-app-catalog 457 bumping sdk to 1940-5f4ae48

sdk commit: RallySoftware/appsdk@eee0b89709726d514e0b72351c521fc5eb7fc64b
author: Dave Thompson
message: Added null checks to deflake tests.

sdk commit: RallySoftware/appsdk@5f4ae48c2d4ace0c98ed7e50e84591140a97aa1f
author: Dave Thompson
message: Revert "Added null checks to deflake tests."