Fix analyze step on ios_rel_device bots.

testing/iossim/iossim.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.
 
 {
   'conditions': [
     ['OS!="ios" or "<(GENERATOR)"=="ninja"', {
       'targets': [
         {
           'target_name': 'iossim',
@@ skipping 118 matching lines @@
     }, {  # else, OS=="ios" and "<(GENERATOR)"!="ninja"
       'variables': {
         'ninja_output_dir': 'ninja-iossim',
         'ninja_product_dir':
           '$(SYMROOT)/<(ninja_output_dir)/<(CONFIGURATION_NAME)',
       },
       'targets': [
         {
           'target_name': 'iossim',
           'type': 'none',
+          'toolsets': ['host'],
           'variables': {
             # Gyp to rerun
             're_run_targets': [
                'testing/iossim/iossim.gyp',
             ],
           },
           'includes': ['../../build/ios/mac_build.gypi'],
           'actions': [
             {
               'action_name': 'compile iossim',
               'inputs': [],
               'outputs': [],
               'action': [
                 '<@(ninja_cmd)',
                 'iossim',
               ],
               'message': 'Generating the iossim executable',
             },
           ],
         },
       ],
     }],
   ],
 }