Make java.gypi export jar path to input_jars_paths variable

build/apk_test.gypi

 # Copyright (c) 2012 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.
 
 # This file is meant to be included into a target to provide a rule
 # to build APK based test suites.
 #
 # To use this, create a gyp target with the following form:
 # {
 #   'target_name': 'test_suite_name_apk',
 #   'type': 'none',
 #   'variables': {
 #     'test_suite_name': 'test_suite_name',  # string
 #     'input_shlib_path' : '/path/to/test_suite.so',  # string
 #     'input_jars_paths': ['/path/to/test_suite.jar', ... ],  # list
 #   },
 #   'includes': ['path/to/this/gypi/file'],
 # }
 #
 
 {
+  'variables': {
+    'input_jars_paths': [],
+  },
   'target_conditions': [
     ['_toolset == "target"', {
       'conditions': [
         ['OS == "android" and gtest_target_type == "shared_library"', {
           'actions': [{
             'action_name': 'apk_<(test_suite_name)',
             'message': 'Building <(test_suite_name) test apk.',
             'inputs': [
               '<(DEPTH)/testing/android/AndroidManifest.xml',
               '<(DEPTH)/testing/android/generate_native_test.py',
               '<(input_shlib_path)',
-              '<@(input_jars_paths)',
+              '>@(input_jars_paths)',
             ],
             'outputs': [
               '<(PRODUCT_DIR)/<(test_suite_name)_apk/<(test_suite_name)-debug.apk',
             ],
             'action': [
               '<(DEPTH)/testing/android/generate_native_test.py',
               '--native_library',
               '<(input_shlib_path)',
               '--jars',
-              '"<@(input_jars_paths)"',
+              '">@(input_jars_paths)"',
               '--output',
               '<(PRODUCT_DIR)/<(test_suite_name)_apk',
               '--app_abi',
               '<(android_app_abi)',
               '--sdk-build=<(sdk_build)',
               '--ant-args',
               '-DPRODUCT_DIR=<(ant_build_out)',
               '--ant-args',
               '-DANDROID_SDK=<(android_sdk)',
               '--ant-args',
               '-DANDROID_SDK_ROOT=<(android_sdk_root)',
               '--ant-args',
               '-DANDROID_SDK_TOOLS=<(android_sdk_tools)',
               '--ant-args',
               '-DANDROID_SDK_VERSION=<(android_sdk_version)',
               '--ant-args',
               '-DANDROID_TOOLCHAIN=<(android_toolchain)',
               '--ant-compile'
             ],
           }],
         }],  # 'OS == "android" and gtest_target_type == "shared_library"
       ],  # conditions
     }],
   ],  # target_conditions
 }