Adds the audio history and always on hotwording settings.

chrome/browser/resources/options/browser_options.js

Index: chrome/browser/resources/options/browser_options.js
diff --git a/chrome/browser/resources/options/browser_options.js b/chrome/browser/resources/options/browser_options.js
index d938e469aa6e2ba438bb1ed16df8f11a018424c9..4b6a5e3eefd128093c621f62ea371d93dab86e14 100644
--- a/chrome/browser/resources/options/browser_options.js
+++ b/chrome/browser/resources/options/browser_options.js
@@ -1099,6 +1099,16 @@ cr.define('options', function() {
     },
 
     /**
+     * Activates the Audio History and Always-On Hotword sections from the
+     * System settings page.
+     * @private
+     */
+    showHotwordAlwaysOnSection_: function() {
+      $('hotword-always-on-search').hidden = false;
+      $('audio-logging').hidden = false;
+    },
+
+    /**
      * Event listener for the 'homepage is NTP' preference. Updates the label
      * next to the 'Change' button.
      * @param {Event} event The preference change event.
@@ -1926,6 +1936,7 @@ cr.define('options', function() {
     'showCreateProfileError',
     'showCreateProfileSuccess',
     'showCreateProfileWarning',
+    'showHotwordAlwaysOnSection',
     'showHotwordSection',
     'showMouseControls',
     'showSupervisedUserImportError',