Fix a TODO in GN file

services/device/BUILD.gn

 # Copyright 2016 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.
 
 import("//build/config/features.gni")
 import("//services/catalog/public/tools/catalog.gni")
 import("//services/service_manager/public/cpp/service.gni")
 import("//services/service_manager/public/service_manifest.gni")
 
 if (is_android) {
@@ skipping 116 matching lines @@
     "device_service_test_base.cc",
     "device_service_test_base.h",
   ]
 
   deps = [
     ":lib",
     "//base",
     "//base/test:test_support",
     "//mojo/public/cpp/bindings",
     "//services/device/public/interfaces:constants",
+    "//services/service_manager/public/cpp",
     "//services/service_manager/public/cpp:service_test_support",
-    "//services/service_manager/public/cpp:sources",
   ]
 }
 
 if (is_android) {
   generate_jni("device_service_jni_headers") {
     sources = [
       "android/java/src/org/chromium/services/device/InterfaceRegistrar.java",
     ]
     jni_package = "device_service"
   }
@@ skipping 19 matching lines @@
       "//services/device/battery/android:battery_monitor_java",
       "//services/device/public/interfaces:interfaces_java",
       "//services/device/screen_orientation:java",
       "//services/device/time_zone_monitor:java",
       "//services/device/vibration/android:vibration_manager_java",
       "//services/service_manager/public/interfaces:interfaces_java",
       "//services/service_manager/public/java:service_manager_java",
     ]
   }
 }