[Android] Generate scripts at build time to run android tests.

content/content_tests.gypi

 # Copyright (c) 2013 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.
 
 {
   'variables': {
     'layouttest_support_content_sources': [
       'public/test/layouttest_support.h',
       'public/test/nested_message_pump_android.cc',
       'public/test/nested_message_pump_android.h',
@@ skipping 1738 matching lines @@
                   'files': [
                     '<(PRODUCT_DIR)/natives_blob.bin',
                     '<(PRODUCT_DIR)/snapshot_blob.bin',
                   ],
                 },
               ],
             }],
           ],
           'variables': {
             'test_suite_name': 'content_unittests',
+            'isolate_file': 'content_unittests.isolate',
             'conditions': [
               ['v8_use_external_startup_data==1', {
                 'asset_location': '<(PRODUCT_DIR)/content_unittests_apk/assets',
                 'additional_input_paths': [
                   '<(PRODUCT_DIR)/content_unittests_apk/assets/natives_blob.bin',
                   '<(PRODUCT_DIR)/content_unittests_apk/assets/snapshot_blob.bin',
                 ],
                 'inputs': [
                   '<(PRODUCT_DIR)/natives_blob.bin',
                   '<(PRODUCT_DIR)/snapshot_blob.bin',
@@ skipping 20 matching lines @@
           'dependencies': [
             'content.gyp:content_icudata',
             'content.gyp:content_java',
             'content.gyp:content_v8_external_data',
             'content_browsertests',
             'content_java_test_support',
             'content_shell_java',
           ],
           'variables': {
             'apk_name': 'content_browsertests',
+            'isolate_file': 'content_browsertests.isolate',
             'java_in_dir': 'shell/android/browsertests_apk',
             'android_manifest_path': '<(SHARED_INTERMEDIATE_DIR)/content_browsertests_manifest/AndroidManifest.xml',
             'resource_dir': 'shell/android/browsertests_apk/res',
             'native_lib_target': 'libcontent_browsertests',
             'additional_input_paths': ['<(PRODUCT_DIR)/content_shell/assets/content_shell.pak'],
             'asset_location': '<(PRODUCT_DIR)/content_shell/assets',
             'conditions': [
               ['icu_use_data_file_flag==1', {
                 'additional_input_paths': [
                   '<(PRODUCT_DIR)/icudtl.dat',
@@ skipping 333 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }