Add error indicators to always-on andno-dsp hotword checkboxes.

chrome/browser/resources/options/browser_options.html

 <div id="settings" class="page" hidden>
   <header>
     <h1 i18n-content="settingsTitle"></h1>
   </header>
   <include src="reset_profile_settings_banner.html">
   <include src="automatic_settings_reset_banner.html">
 <if expr="chromeos">
   <include src="secondary_user_banner.html">
   <section>
     <div id="network-section-header" class="section-header">
@@ skipping 150 matching lines @@
           <div class="checkbox controlled-setting-with-label">
             <label>
               <input id="hotword-always-on-search-checkbox"
                   pref="hotword.always_on_search_enabled" type="checkbox">
               <span i18n-content="hotwordSearchEnable"></span>
             </label>
             <a target="_blank" class="hotword-learn-more-link"
                 i18n-content="learnMore"
                 i18n-values="href:hotwordLearnMoreURL">
             </a>
+            <span id="hotword-always-on-search-setting-indicator"
+                pref="hotword.always_on_search_enabled" dialog-pref></span>
             <div>
               <span class="hotword-description"
                   i18n-content="hotwordAlwaysOnDesc">
               </span>
             </div>
           </div>
         </div>
         <div id="hotword-no-dsp-search" hidden>
           <div class="checkbox controlled-setting-with-label">
             <label>
               <input id="hotword-no-dsp-search-checkbox"
                   pref="hotword.search_enabled_2" type="checkbox">
               <span i18n-content="hotwordSearchEnable"></span>
             </label>
             <a target="_blank" class="hotword-learn-more-link"
                 i18n-content="learnMore"
                 i18n-values="href:hotwordLearnMoreURL">
             </a>
+            <span id="hotword-no-dsp-search-setting-indicator"
+                pref="hotword.search_enabled_2" dialog-pref></span>
             <div>
               <span class="hotword-description"
                   i18n-content="hotwordNoDSPDesc">
               </span>
             </div>
           </div>
         </div>
         <div id="audio-logging" hidden>
           <div class="checkbox controlled-setting-with-label">
             <label>
@@ skipping 754 matching lines @@
       </button>
     </div>
   </section>
   </div>  <!-- advanced-settings-container -->
   </div>  <!-- advanced-settings -->
   <footer>
     <a is="action-link" id="advanced-settings-expander"
         i18n-content="showAdvancedSettings"></a>
   </footer>
 </div>