Disable IODI when the accompanying debug symbol files are not emitted
Disable IODI when the accompanying debug symbol files are not emitted

Summary: With IODI we require these other files in order to function correctly. Rather than silently failing and later finding that we have a bum config let's emit diagnostics up front to warn the user right away.

Differential Revision: D13976989

fbshipit-source-id: a51bce5d6ba5671690b99ed537b54c41cbccf50b

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex