Move GN speechd target to third_party.

build/linux/system.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': {
     'conditions': [
       ['sysroot!=""', {
         'pkg-config': '<(chroot_cmd) ./pkg-config-wrapper "<(sysroot)" "<(target_arch)" "<(system_libdir)"',
       }, {
@@ skipping 844 matching lines @@
     {
       'target_name': 'libresolv',
       'type': 'none',
       'link_settings': {
         'libraries': [
           '-lresolv',
         ],
       },
     },
     {
+      # GN version: //third_party/speech-dispatcher
       'target_name': 'libspeechd',
       'type': 'static_library',
       'direct_dependent_settings': {
         'include_dirs': [
           '<(SHARED_INTERMEDIATE_DIR)',
         ],
         'conditions': [
           ['linux_link_libspeechd==1', {
             'link_settings': {
               'libraries': [
@@ skipping 165 matching lines @@
             ],
             'libraries': [
               '<!@(<(pkg-config) --libs-only-l libudev)',
             ],
           },
         }],
       ],
     },
   ],
 }