Turn on logging for oat file assistant tests.

Temporary to debug test failure.

Change-Id: Idbfcdbdae5e0aa3544b01f1a1ab0297a81d736d5
diff --git a/runtime/common_runtime_test.cc b/runtime/common_runtime_test.cc
index 1c8a892..8dd9a46 100644
--- a/runtime/common_runtime_test.cc
+++ b/runtime/common_runtime_test.cc
@@ -48,7 +48,7 @@
   // Gtests can be very noisy. For example, an executable with multiple tests will trigger native
   // bridge warnings. The following line reduces the minimum log severity to ERROR and suppresses
   // everything else. In case you want to see all messages, comment out the line.
-  setenv("ANDROID_LOG_TAGS", "*:e", 1);
+  // setenv("ANDROID_LOG_TAGS", "*:e", 1);
 
   art::InitLogging(argv);
   LOG(::art::INFO) << "Running main() from common_runtime_test.cc...";