tools/android/loading Move LoadingTraceDatabase under cloud/

tools/android/loading/cloud/common/loading_trace_database_unittest.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import unittest
 
-from loading_trace_database import LoadingTraceDatabase
+from cloud.common.loading_trace_database import LoadingTraceDatabase
 
 
 class LoadingTraceDatabaseUnittest(unittest.TestCase):
   _JSON_DATABASE = {
     "traces/trace1.json" : { "url" : "http://bar.html", },
     "traces/trace2.json" : { "url" : "http://bar.html", },
     "traces/trace3.json" : { "url" : "http://qux.html", },
   }
 
   def setUp(self):
@@ skipping 18 matching lines @@
     dummy_url = "http://dummy.com"
     new_trace_file = "traces/new_trace.json"
     self.assertEqual(self.database.GetTraceFilesForURL(dummy_url), [])
     self.database.SetTrace(new_trace_file, {"url" : dummy_url})
     self.assertEqual(self.database.GetTraceFilesForURL(dummy_url),
                      [new_trace_file])
 
 
 if __name__ == '__main__':
   unittest.main()