OneLineFix: Set correct output_dir for Evaluator
OneLineFix: Set correct output_dir for Evaluator

Some commits ago, the output_dir for the Evaluator was changed
from "evaluate_reports" to "evaluation_reports". This line was missed.

lynnlyc/droidbot,nastya/droidbot,lynnlyc/droidbot,honeynet/droidbot,honeynet/droidbot,honeynet/droidbot,honeynet/droidbot,nastya/droidbot,nastya/droidbot,nastya/droidbot