Enable presubmit pylint in build/android.

build/android/gyp/emma_instr.py

Index: build/android/gyp/emma_instr.py
diff --git a/build/android/gyp/emma_instr.py b/build/android/gyp/emma_instr.py
index 8d97ed38ae1c6030fa69ad936626b7843cfc91e3..1976f0b04bafe3238aeeb0cccf86ca26e352e94f 100755
--- a/build/android/gyp/emma_instr.py
+++ b/build/android/gyp/emma_instr.py
@@ -63,7 +63,7 @@ def _AddInstrumentOptions(option_parser):
             'patterns separated with whitespace and/or comma.'))
 
 
-def _RunCopyCommand(command, options, args, option_parser):
+def _RunCopyCommand(_command, options, _args, option_parser):
   """Copies the jar from input to output locations.
 
   Also removes any old coverage/sources file.
@@ -129,7 +129,7 @@ def _CreateSourcesFile(sources_string, sources_file, src_root):
     json.dump(relative_sources, f)
 
 
-def _RunInstrumentCommand(command, options, args, option_parser):
+def _RunInstrumentCommand(command, options, _args, option_parser):
   """Instruments the classes/jar files using EMMA.
 
   Args:
@@ -197,11 +197,11 @@ VALID_COMMANDS = {
 }
 
 
-def main(argv):
+def main():
   option_parser = command_option_parser.CommandOptionParser(
       commands_dict=VALID_COMMANDS)
   command_option_parser.ParseAndExecute(option_parser)
 
 
 if __name__ == '__main__':
-  sys.exit(main(sys.argv))
+  sys.exit(main())