Android content_browsertests: Allow processing java tasks in nested mode.

content/content_shell.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.
 
 {
   'variables': {
     'content_shell_product_name': 'Content Shell',
     # The "19" is so that sites that sniff for version think that this is
     # something reasonably current; the "77.34.5" is a hint that this isn't a
     # standard Chrome.
@@ skipping 543 matching lines @@
       ],
     }],  # OS=="mac"
     ['OS=="android"', {
       'targets': [
         {
           # TODO(jrg): Update this action and other jni generators to only
           # require specifying the java directory and generate the rest.
           'target_name': 'content_shell_jni_headers',
           'type': 'none',
           'sources': [
+            'shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/BrowserTestSystemMessageHandler.java',
             'shell/android/browsertests_apk/src/org/chromium/content_browsertests_apk/ContentBrowserTestsActivity.java',
             'shell/android/java/src/org/chromium/content_shell/ShellManager.java',
             'shell/android/java/src/org/chromium/content_shell/Shell.java',
           ],
           'direct_dependent_settings': {
             'include_dirs': [
               '<(SHARED_INTERMEDIATE_DIR)/content/shell',
             ],
           },
           'variables': {
@@ skipping 91 matching lines @@
             'native_libs_paths': ['<(SHARED_LIB_DIR)/libcontent_shell_content_view.so'],
             'additional_input_paths': ['<(PRODUCT_DIR)/content_shell/assets/content_shell.pak'],
             'asset_location': '<(ant_build_out)/content_shell/assets',
           },
           'includes': [ '../build/java_apk.gypi' ],
         },
       ],
     }],  # OS=="android"
   ]
 }