[MD setings] setting people menu icon

chrome/browser/resources/settings/settings_menu/settings_menu.html

 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/assert.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-selector/iron-selector.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="../icons.html">
 <link rel="import" href="../route.html">
 <link rel="import" href="../settings_shared_css.html">
@@ skipping 74 matching lines @@
       <a href="/internet">
         <iron-icon icon="settings:network-wifi"></iron-icon>
         $i18n{internetPageTitle}
       </a>
       <a href="/bluetooth">
         <iron-icon icon="settings:bluetooth"></iron-icon>
         $i18n{bluetoothPageTitle}
       </a>
 </if>
       <a id="people" href="/people" hidden="[[!pageVisibility.people]]">
-        <iron-icon icon="settings:people"></iron-icon>
+        <iron-icon icon="cr:person"></iron-icon>
         $i18n{peoplePageTitle}
       </a>
       <a href="/appearance" hidden="[[!pageVisibility.appearance]]">
         <iron-icon icon="settings:palette"></iron-icon>
         $i18n{appearancePageTitle}
       </a>
 <if expr="chromeos">
       <a href="/device">
         <iron-icon icon="settings:laptop-chromebook"></iron-icon>
         $i18n{devicePageTitle}
@@ skipping 71 matching lines @@
             $i18n{resetPageTitle}
           </a>
         </iron-selector>
       </iron-collapse>
       <div class="separator"></div>
       <a id="about-menu" href="/help">$i18n{aboutPageTitle}</a>
     </iron-selector>
   </template>
   <script src="settings_menu.js"></script>
 </dom-module>