MD Settings: Bluetooth: Show policy indicator when disabled by policy

chrome/browser/resources/settings/bluetooth_page/bluetooth_page.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview
  * 'settings-bluetooth-page' is the settings page for managing bluetooth
  *  properties and devices.
  *
  * Example:
@@ skipping 77 matching lines @@
 
     /**
      * Current Pairing event.
      * @type {?chrome.bluetoothPrivate.PairingEvent|undefined}
      */
     pairingEvent: Object,
 
     /** The translated error message to show when a connect error occurs. */
     errorMessage: String,
 
+    /** Preferences state. */
+    prefs: {
+      type: Object,
+      notify: true,
+    },
+
     /**
      * Interface for bluetooth calls. May be overriden by tests.
      * @type {Bluetooth}
      */
     bluetooth: {
       type: Object,
       value: chrome.bluetooth,
     },
 
     /**
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   onDialogClosed_: function() {
     this.stopDiscovery_();
     this.dialogId = '';
     this.pairingDevice = null;
     this.pairingEvent = null;
   },
 
   /** @private */
   onDialogOpened_: function() { this.startDiscovery_(); },
 });