add sd card when creating avd and wait for it ready before pushing data into it

build/android/pylib/single_test_runner.py

 # Copyright (c) 2012 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 glob
 import logging
 import os
 import sys
 
 from base_test_runner import BaseTestRunner
@@ skipping 230 matching lines @@
 
   def StripAndCopyFiles(self):
     """Strips and copies the required data files for the test suite."""
     self.test_package.StripAndCopyExecutable()
     self.test_package.PushDataAndPakFiles()
     self.tool.CopyFiles()
     test_data = self.GetDataFilesForTestSuite()
     if test_data and not self.fast_and_loose:
       # Due to the large size of certain test data, we use sdcard to store the
       # test data and create symbolic links to map them to data/local/tmp/.
+      # Before that, make sure SD card is ready.
+      self.adb.WaitForSdCardReady(20)
       for data in test_data:
         self.CopyTestData([data], '/sdcard/')
       self.LinkSdCardPathsToTempDir(test_data)
 
   def RunTestsWithFilter(self):
     """Runs a tests via a small, temporary shell script."""
     self.test_package.CreateTestRunnerScript(self._gtest_filter,
                                              self._test_arguments)
     self.test_results = self.test_package.RunTestsAndListResults()
 
@@ skipping 64 matching lines @@
   def TearDown(self):
     """Cleans up the test enviroment for the test suite."""
     self.tool.CleanUpEnvironment()
     if self.test_package.cleanup_test_files:
       self.adb.RemovePushedFiles()
     if self.dump_debug_info:
       self.dump_debug_info.StopRecordingLog()
     if self.test_package.performance_test:
       self.adb.TearDownPerformanceTest()
     super(SingleTestRunner, self).TearDown()