Add proguard_verbose GN arg

build/android/gyp/apk_obfuscate.py

 #!/usr/bin/env python
 #
 # Copyright 2014 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.
 
 """Generates the obfuscated jar and test jar for an apk.
 
 If proguard is not enabled or 'Release' is not in the configuration name,
 obfuscation will be a no-op.
@@ skipping 102 matching lines @@
 
   proguard.libraryjars([options.android_sdk_jar])
   proguard_injars = [p for p in input_jars if p not in exclude_paths]
   proguard.injars(proguard_injars)
 
   multidex_config = _PossibleMultidexConfig(options)
   if multidex_config:
     configs.append(multidex_config)
 
   proguard.configs(configs)
-  proguard.CheckOutput(options.verbose)
+  proguard.verbose(options.verbose)
+  proguard.CheckOutput()
 
 
 def _PossibleMultidexConfig(options):
   if not options.multidex_configuration_path:
     return None
 
   with open(options.multidex_configuration_path) as multidex_config_file:
     multidex_config = json.loads(multidex_config_file.read())
 
   if not (multidex_config.get('enabled') and options.main_dex_list_path):
@@ skipping 41 matching lines @@
     for f in output_files:
       if os.path.exists(f):
         os.remove(f)
       build_utils.Touch(f)
 
   if options.stamp:
     build_utils.Touch(options.stamp)
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))