Revert of Revert of [Android] JUnit runner + gyp changes.

build/all.gyp

 # 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': {
     # A hook that can be overridden in other repositories to add additional
     # compilation targets to 'All'. Only used on Android.
     'android_app_targets%': [],
   },
@@ skipping 769 matching lines @@
             '../content/content_shell_and_tests.gyp:content_unittests',
             '../gpu/gpu.gyp:gl_tests',
             '../gpu/gpu.gyp:gpu_unittests',
             '../ipc/ipc.gyp:ipc_tests',
             '../media/media.gyp:media_perftests_apk',
             '../media/media.gyp:media_unittests',
             '../net/net.gyp:net_unittests',
             '../sandbox/sandbox.gyp:sandbox_linux_unittests_stripped',
             '../sql/sql.gyp:sql_unittests',
             '../sync/sync.gyp:sync_unit_tests',
+            '../testing/android/junit/junit_test.gyp:junit_unit_tests',
             '../third_party/leveldatabase/leveldatabase.gyp:env_chromium_unittests',
             '../third_party/WebKit/public/all.gyp:*',
             '../tools/android/android_tools.gyp:android_tools',
             '../tools/android/android_tools.gyp:memconsumer',
             '../tools/android/findbugs_plugin/findbugs_plugin.gyp:findbugs_plugin_test',
             '../ui/base/ui_base_tests.gyp:ui_unittests',
             '../ui/events/events.gyp:events_unittests',
             # Unit test bundles packaged as an apk.
             '../android_webview/android_webview.gyp:android_webview_test_apk',
             '../android_webview/android_webview.gyp:android_webview_unittests_apk',
@@ skipping 511 matching lines @@
           'dependencies': [
             '../ui/views/examples/examples.gyp:views_examples_with_content_exe',
             '../ui/views/views.gyp:views',
             '../ui/views/views.gyp:views_unittests',
           ],
         },  # target_name: macviews_builder
       ],  # targets
     }],  # os=='mac' and toolkit_views==1
   ],  # conditions
 }