First pass android support in bisect script.

tools/run-bisect-perf-regression.py

 #!/usr/bin/env python
 # Copyright (c) 2013 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.
 
 """Run Performance Test Bisect Tool
 
 This script is used by a trybot to run the src/tools/bisect-perf-regression.py
 script with the parameters specified in run-bisect-perf-regression.cfg. It will
 check out a copy of the depot in a subdirectory 'bisect' of the working
@@ skipping 63 matching lines @@
 
   if config['repeat_count']:
     cmd.extend(['-r', config['repeat_count']])
 
   if config['truncate_percent']:
     cmd.extend(['-t', config['truncate_percent']])
 
   if config['max_time_minutes']:
     cmd.extend(['--repeat_test_max_time', config['max_time_minutes']])
 
-  if os.name == 'nt':
-    cmd.extend(['--build_preference', 'ninja'])
-  else:
-    cmd.extend(['--build_preference', 'make'])
+  cmd.extend(['--build_preference', 'ninja'])
 
   if '--browser=cros' in config['command']:
     cmd.extend(['--target_platform', 'cros'])
 
     if os.environ[CROS_BOARD_ENV] and os.environ[CROS_IP_ENV]:
       cmd.extend(['--cros_board', os.environ[CROS_BOARD_ENV]])
       cmd.extend(['--cros_remote_ip', os.environ[CROS_IP_ENV]])
     else:
       print 'Error: Cros build selected, but BISECT_CROS_IP or'\
             'BISECT_CROS_BOARD undefined.'
       print
       return 1
 
+  if '--browser=android' in config['command']:
+    cmd.extend(['--target_platform', 'android'])
+
   goma_file = ''
   if path_to_goma:
     path_to_goma = os.path.abspath(path_to_goma)
 
     if os.name == 'nt':
       os.environ['CC'] = os.path.join(path_to_goma, 'gomacc.exe') + ' cl.exe'
       os.environ['CXX'] = os.path.join(path_to_goma, 'gomacc.exe') + ' cl.exe'
       goma_file = os.path.join(path_to_goma, 'goma_ctl.bat')
     else:
       os.environ['PATH'] = os.pathsep.join([path_to_goma, os.environ['PATH']])
@@ skipping 59 matching lines @@
           'run-bisect-perf-regression.cfg for syntax errors.'
     print
     return 1
 
   return RunBisectionScript(config, opts.working_directory, path_to_file,
                             opts.path_to_goma)
 
 
 if __name__ == '__main__':
   sys.exit(main())