🐮 Add dummy junit targets so that GYP & GN have the same targets

components/invalidation.gypi

 # 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.
 
 {
   'targets': [
     {
       # GN version: //components/invalidation/public
       'target_name': 'invalidation_public',
       'type': 'static_library',
@@ skipping 229 matching lines @@
           'target_name': 'invalidation_jni_headers',
           'type': 'none',
           'sources': [
             'invalidation/impl/android/java/src/org/chromium/components/invalidation/InvalidationService.java',
           ],
           'variables': {
             'jni_gen_package': 'components/invalidation',
           },
           'includes': [ '../build/jni_generator.gypi' ],
         },
+        {
+          'target_name': 'components_invalidation_impl_junit_tests',
+          'type': 'none',
+          'dependencies': [
+            '../testing/android/junit/junit_test.gyp:junit_test_support',
+          ],
+          'variables': {
+            'main_class': 'org.chromium.testing.local.JunitTestMain',
+            'src_paths': [
+               '../testing/android/junit/DummyTest.java',
+            ],
+            'wrapper_script_name': 'helper/<(_target_name)',
+          },
+          'includes': [ '../build/host_jar.gypi' ],
+        },
       ],
      },
     ],
   ],
 }