Adding a code sample for how to write a custom action provider.

NOTE: This change does *not* affect the system image rather only the SDK.

bug:5499856

Change-Id: I589ed412b72e94b21dbe1f069006c7c527a06c71
diff --git a/samples/ApiDemos/_index.html b/samples/ApiDemos/_index.html
index 002ca15..9466c95 100644
--- a/samples/ApiDemos/_index.html
+++ b/samples/ApiDemos/_index.html
@@ -20,9 +20,12 @@
 <p><strong>Update:</strong> The following are some of the new demos for Android 4.0:</p>
 <ul>
 <li><a
-href="src/com/example/android/apis/preference/PreferencesFromCode.html">SwitchPreference</a></li>
+href="src/com/example/android/apis/preference/PreferencesFromCode.html">Switch Preference</a></li>
 <li><a
-href="src/com/example/android/apis/app/ActionBarActionProviderActivity.html">ShareActionProvider
+href="src/com/example/android/apis/app/ActionBarSettingsActionProviderActivity.html">Settings Action Provider
+</a></li>
+<li><a
+href="src/com/example/android/apis/app/ActionBarShareActionProviderActivity.html">Share Action Provider
 </a></li>
 <li><a href="src/com/example/android/apis/view/SearchViewActionBar.html">Collapsible action
 view</a></li>