Fix up todo in 06.01

Author: Jeremy Silver

Lesson06-Visualizer-Preferences/T06.01-Exercise-SetupTheActivity/app/src/main/java/android/example/com/visualizerpreferences/VisualizerActivity.java

@@ -119,9 +119,9 @@ public void onRequestPermissionsResult(int requestCode,
  // activity_settings.xml layout file as well and add the activity to the manifest
 
  // TODO (2) Add a new resource folder called menu and create visualizer_menu.xml
- // TODO (3) In visualizer_menu.xml create a menu item with a single item. The id and title
- // should be saved in strings.xml, it should never be shown as an action,
- // orderInCategory should be 100
+ // TODO (3) In visualizer_menu.xml create a menu item with a single item. The id should be
+ // action_settings, the id and title should be saved in strings.xml, the item should never
+ // be shown as an action, and orderInCategory should be 100
 
  // TODO (5) Add the menu to the menu bar
  // TODO (6) When the "Settings" menu item is pressed, open SettingsActivity

Lesson06-Visualizer-Preferences/T06.01-Solution-SetupTheActivity/app/src/main/res/menu/visualizer_menu.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
  <!-- COMPLETED (2) Add a new resource folder called menu and create visualizer_menu.xml -->
- <!-- COMPLETED (3) In visualizer_menu.xml create a menu item with a single item. The id and title
- should be saved in strings.xml, it should never be shown as an action,
- orderInCategory should be 100 -->
+ <!-- COMPLETED (3) In visualizer_menu.xml create a menu item with a single item. The id should be
+  action_settings, the id and title should be saved in strings.xml, the item should never
+  be shown as an action, and orderInCategory should be 100 -->
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto">
  <item