Have jni_generator.gypi specify include_dirs to dependent targets.

base/android/jni_generator/jni_generator.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.
 
 {
   'targets': [
     {
       'target_name': 'jni_generator_py_tests',
       'type': 'none',
       'actions': [
@@ skipping 38 matching lines @@
     },
     {
       'target_name': 'jni_generator_tests',
       'type': 'executable',
       'dependencies': [
         '../../base.gyp:test_support_base',
         'jni_generator_py_tests',
         'jni_sample_header',
         'jni_sample_java',
       ],
-      'include_dirs': [
-        '<(SHARED_INTERMEDIATE_DIR)/example',
-      ],
       'sources': [
         'sample_for_tests.cc',
       ],
     },
   ],
 }