Revert "Merge pull request #1116 from jongerrish/remove_fest_util_production_dep"

@see https://github.com/robolectric/robolectric/issues/1121

This reverts commit c22e78d28ad80f1db41aa22e9ae63639b4d9cdfa, reversing
changes made to f2bb32a49056cf5c5030792b9a13842a899b6c2b.