[Android] Fix generated scripts for junit tests.

build/host_jar.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.
 
 # This file is meant to be included into a target to provide a rule to build
 # a JAR file for use on a host in a consistent manner. If a main class is
 # specified, this file will also generate an executable to run the jar in the
 # output folder's /bin/ directory.
 #
 # To use this, create a gyp target with the following form:
@@ skipping 104 matching lines @@
       ],
     },
   ],
   'conditions': [
     ['main_class != ""', {
       'actions': [
         {
           'action_name': 'create_java_binary_script_<(_target_name)',
           'message': 'Creating java binary script <(_target_name)',
           'variables': {
-            'output': '<(PRODUCT_DIR)/bin/<(_target_name)',
+            'output': '<(PRODUCT_DIR)/bin/helper/<(_target_name)',
           },
           'inputs': [
             '<(DEPTH)/build/android/gyp/create_java_binary_script.py',
             '<(jar_path)',
           ],
           'outputs': [
             '<(output)',
           ],
           'action': [
             'python', '<(DEPTH)/build/android/gyp/create_java_binary_script.py',
             '--classpath=>(input_jars_paths)',
             '--jar-path=<(jar_path)',
             '--output=<(output)',
             '--main-class=>(main_class)',
           ]
         }
       ]
     }],
     ['enable_errorprone == 1', {
       'dependencies': [
         '<(DEPTH)/third_party/errorprone/errorprone.gyp:require_errorprone',
       ],
     }],
   ]
 }