[Android] Do not overwrite command when using the run_pie wrapper.

build/android/pylib/android_commands.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.
 
 """Provides an interface to communicate with the device via the adb command.
 
 Assumes adb binary is currently on system path.
 """
 # pylint: skip-file
 
@@ skipping 676 matching lines @@
     # whether a wrapper for running PIE executable is needed (only Android ICS)
     # or not. The results is cached, so the wrapper is pushed only once.
     if self._pie_wrapper is None:
       # None: did not check; '': did check and not needed; '/path': use /path.
       self._pie_wrapper = ''
       if self.GetBuildId().startswith('I'):  # Ixxxx = Android ICS.
         run_pie_dist_path = os.path.join(constants.GetOutDirectory(), 'run_pie')
         assert os.path.exists(run_pie_dist_path), 'Please build run_pie'
         # The PIE loader must be pushed manually (i.e. no PushIfNeeded) because
         # PushIfNeeded requires md5sum and md5sum requires the wrapper as well.
-        command = 'push %s %s' % (run_pie_dist_path, PIE_WRAPPER_PATH)
-        assert _HasAdbPushSucceeded(self._adb.SendCommand(command))
+        adb_command = 'push %s %s' % (run_pie_dist_path, PIE_WRAPPER_PATH)
+        assert _HasAdbPushSucceeded(self._adb.SendCommand(adb_command))
         self._pie_wrapper = PIE_WRAPPER_PATH
 
     if self._pie_wrapper:
       command = '%s %s' % (self._pie_wrapper, command)
     if lib_path:
       command = 'LD_LIBRARY_PATH=%s %s' % (lib_path, command)
     return self.GetShellCommandStatusAndOutput(command, *args, **kw)
 
   # It is tempting to turn this function into a generator, however this is not
   # possible without using a private (local) adb_shell instance (to ensure no
@@ skipping 1254 matching lines @@
   """
   def __init__(self, output):
     self._output = output
 
   def write(self, data):
     data = data.replace('\r\r\n', '\n')
     self._output.write(data)
 
   def flush(self):
     self._output.flush()