Update demo_launcher apk location in roll_versions.py

sky/tools/roll_versions.py

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 import os
 import subprocess
 import yaml
 import xml.etree.ElementTree as ET
 
 
 PUBSPECS = [
     'sky/sdk/pubspec.yaml',
     'mojo/public/dart/pubspec.yaml',
     'mojo/dart/mojo_services/pubspec.yaml',
     'mojo/dart/mojom/pubspec.yaml',
 ]
 
 MANIFESTS = [
-    'sky/apk/demo/AndroidManifest.xml',
+    'sky/sdk/example/demo_launcher/AndroidManifest.xml',
 ]
 
 MANIFEST_PREFACE = '''<?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2015 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.
  -->
 '''
 
 
@@ skipping 83 matching lines @@
     # TODO(eseidel): Without this ET uses 'ns0' for 'android' which is wrong.
     ET.register_namespace('android', 'http://schemas.android.com/apk/res/android')
 
     print 'APKs:'
     for manifest in MANIFESTS:
         update_manifest(manifest)
 
 
 if __name__ == '__main__':
     main()