Android perf runner: print the command line in the step itself.

build/android/pylib/perf/test_runner.py

Index: build/android/pylib/perf/test_runner.py
diff --git a/build/android/pylib/perf/test_runner.py b/build/android/pylib/perf/test_runner.py
index 0e5983134b6bdd29e92f42836145bc69cff167e2..cbab11c12703cb419ec2219555aafdb49794c15a 100644
--- a/build/android/pylib/perf/test_runner.py
+++ b/build/android/pylib/perf/test_runner.py
@@ -72,6 +72,10 @@ def PrintTestOutput(test_name):
 
   with file(file_name, 'r') as f:
     persisted_result = pickle.loads(f.read())
+  print '*' * 80

[frankf, 2013/08/22 17:41:12]

why not logging?

[bulach, 2013/08/23 09:13:55]

done (the last one has to be print as it was, since it's parsed the buildbot).

+  print 'Output from:'
+  print persisted_result['cmd']
+  print '*' * 80
   print persisted_result['output']
 
   return persisted_result['exit_code']
@@ -131,6 +135,7 @@ class TestRunner(base_test_runner.BaseTestRunner):
         'result_type': result_type,
         'total_time': (end_time - start_time).seconds,
         'device': self.device,
+        'cmd': cmd,
     }
     self._SaveResult(persisted_result)