Add an empty native library to gyp_managed_install's incomplete apks

This is required to install these apks on some devices.

BUG=384638

Review URL: https://codereview.chromium.org/330203006

git-svn-id: http://src.chromium.org/svn/trunk/src/build@286028 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/gyp/touch.py

@@ -0,0 +1,16 @@
+#!/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.
+
+import sys
+
+from util import build_utils
+
+def main(argv):
+  for f in argv[1:]:
+    build_utils.Touch(f)
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv))

java_apk.gypi

@@ -403,6 +403,11 @@
       'conditions': [
         ['gyp_managed_install == 1', {
           'variables': {
+            # This "library" just needs to be put in the .apk. It is not loaded
+            # at runtime.
+            'placeholder_native_library_path':
+              '<(apk_package_native_libs_dir)/<(android_app_abi)/libfix.crbug.384638.so',
+            'package_input_paths': [ '<(placeholder_native_library_path)' ],
             'libraries_top_dir': '<(intermediate_dir)/lib.stripped',
             'libraries_source_dir': '<(libraries_top_dir)/lib/<(android_app_abi)',
             'device_library_dir': '<(device_intermediate_dir)/lib.stripped',
@@ -415,6 +420,19 @@
             {
               'includes': ['../build/android/push_libraries.gypi'],
             },
+            {
+              'action_name': 'create placeholder lib',
+              'inputs': [
+                '<(DEPTH)/build/android/gyp/touch.py',
+              ],
+              'outputs': [
+                '<(placeholder_native_library_path)',
+              ],
+              'action' : [
+                'python', '<(DEPTH)/build/android/gyp/touch.py',
+                '<@(_outputs)',
+              ],
+            },
             {
               'action_name': 'create device library symlinks',
               'message': 'Creating links on device for <(_target_name)',