Turn on logging for oat file assistant tests.

Temporary to debug test failure.

Change-Id: Idbfcdbdae5e0aa3544b01f1a1ab0297a81d736d5
diff --git a/runtime/oat_file_assistant_test.cc b/runtime/oat_file_assistant_test.cc
index d683cdc..4232b88 100644
--- a/runtime/oat_file_assistant_test.cc
+++ b/runtime/oat_file_assistant_test.cc
@@ -67,7 +67,7 @@
   }
 
   virtual void SetUpRuntimeOptions(RuntimeOptions* options) {
-    // options->push_back(std::make_pair("-verbose:oat", nullptr));
+    options->push_back(std::make_pair("-verbose:oat", nullptr));
 
     // Set up the image location.
     options->push_back(std::make_pair("-Ximage:" + GetImageLocation(),