device: Build device_bluetooth target as static_library.

device/device.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': {
     'chromium_code': 1,
   },
   'targets': [
     {
       'target_name': 'device_bluetooth',
-      'type': '<(library)',
+      'type': 'static_library',
       'dependencies': [
           '../chrome/chrome_resources.gyp:chrome_strings',
           '../third_party/libxml/libxml.gyp:libxml',
           '../ui/ui.gyp:ui'
       ],
       'sources': [
         'bluetooth/bluetooth_adapter.cc',
         'bluetooth/bluetooth_adapter.h',
         'bluetooth/bluetooth_adapter_chromeos.cc',
         'bluetooth/bluetooth_adapter_chromeos.h',
@@ skipping 23 matching lines @@
           'dependencies': [
             '../build/linux/system.gyp:dbus',
             '../chromeos/chromeos.gyp:chromeos',
             '../dbus/dbus.gyp:dbus',
           ]
         }],
       ],
     },
     {
       'target_name': 'device_bluetooth_mocks',
-      'type': '<(library)',
+      'type': 'static_library',
       'dependencies': [
         'device_bluetooth',
         '../testing/gmock.gyp:gmock',
       ],
       'sources': [
         'bluetooth/test/mock_bluetooth_adapter.cc',
         'bluetooth/test/mock_bluetooth_adapter.h',
         'bluetooth/test/mock_bluetooth_device.cc',
         'bluetooth/test/mock_bluetooth_device.h',
       ],
@@ skipping 26 matching lines @@
           'dependencies': [
             '../build/linux/system.gyp:dbus',
             '../chromeos/chromeos.gyp:chromeos_test_support',
             '../dbus/dbus.gyp:dbus',
           ]
         }],
       ],
     },
   ],
 }