Android: Fix generate_gradle.py

build/android/gradle/generate_gradle.py

 #!/usr/bin/env python
 # Copyright 2016 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 an Android Studio project from a GN target."""
 
 import argparse
 import codecs
 import glob
@@ skipping 696 matching lines @@
                       help='Split projects by their gn deps rather than '
                            'combining all the dependencies of each target')
   args = parser.parse_args()
   if args.output_directory:
     constants.SetOutputDirectory(args.output_directory)
   constants.CheckOutputDirectory()
   output_dir = constants.GetOutDirectory()
   devil_chromium.Initialize(output_directory=output_dir)
   run_tests_helper.SetLogLevel(args.verbose_count)
 
-  if args.split_projects:
-    assert not args.use_gradle_process_resources, (
+  if args.use_gradle_process_resources:
+    assert args.split_projects, (
         'Gradle resources does not work without --split-projects.')
 
   _gradle_output_dir = os.path.abspath(
       args.project_dir.replace('$CHROMIUM_OUTPUT_DIR', output_dir))
   jinja_processor = jinja_template.JinjaProcessor(_FILE_DIR)
   build_vars = _ReadPropertiesFile(os.path.join(output_dir, 'build_vars.txt'))
   source_properties = _ReadPropertiesFile(
       _RebasePath(os.path.join(build_vars['android_sdk_build_tools'],
                                'source.properties')))
   generator = _ProjectContextGenerator(_gradle_output_dir, build_vars,
@@ skipping 83 matching lines @@
     _ExtractZips(generator.project_dir, zip_tuples)
 
   logging.warning('Project created!')
   logging.warning('Generated projects work with Android Studio 2.3')
   logging.warning('For more tips: https://chromium.googlesource.com/chromium'
                   '/src.git/+/master/docs/android_studio.md')
 
 
 if __name__ == '__main__':
   main()