docs: add update information to some samples

Change-Id: Ifafa507bd9e74f2605fe190b12f831051af5f422

samples/ApiDemos/_index.html

@@ -16,6 +16,26 @@ that illustrate the use of various Android APIs. It includes samples of:
   <li>And many many more...</li>  
 </ul>
 
+<div class="note">
+<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.java">SwitchPreference</a></li>
+<li><a
+href="src/com/example/android/apis/app/ActionBarActionProviderActivity.java">ShareActionProvider
+</a></li>
+<li><a href="src/com/example/android/apis/view/SearchViewActionBar.java">Collapsible action
+view</a></li>
+<li><a href="src/com/example/android/apis/app/FragmentCustomAnimations.java">Custom
+fragment animations</a></li>
+<li><a href="src/com/example/android/apis/app/RemoteService.java">Service bindings</a></li>
+<li><a href="src/com/example/android/apis/view/OverscanActivity.java">Full screen UI modes</a></li>
+<a><a href="src/com/example/android/apis/graphics/TouchPaint.java">Stylus and hover
+support</a></li>
+<li><a href="src/com/example/android/apis/view/Switches.html">Switch widget</a></li>
+</ul>
+</div>
+
 <script type="text/javascript">
 
 // This is a totally temporary hack to display the following content only

samples/HoneycombGallery/_index.html

@@ -42,8 +42,6 @@ handsets by reusing fragments in separate activities when on smaller screens.</p
       ActionBar, demonstrating how to smoothly transition between states
       in your application.</li></ul>
 
-<div style="overflow:auto">
-<img alt="Screenshot" src="../images/hcgallery.png" style="float:left" />
-<img alt="Screenshot" src="../images/hcgallery-phone1.png" style="float:left;padding-left:1em" />
-<img alt="Screenshot" src="../images/hcgallery-phone2.png" style="float:left;padding-left:1em" />
-</div>
\ No newline at end of file
+<img alt="Screenshot" src="../images/hcgallery.png" />
+<img alt="Screenshot" src="../images/hcgallery-phone1.png" />
+<img alt="Screenshot" src="../images/hcgallery-phone2.png" />
\ No newline at end of file

samples/RandomMusicPlayer/_index.html

@@ -4,7 +4,7 @@ available on the device or specify a URL from which the media should be
 streamed.  It also illustrates how to use the notification system to indicate
 an ongoing task and how to deal with audio focus changes.</p>
 
-<p><strong>Update:</strong> This sample also illustrates how to use the
+<p class="note"><strong>Update:</strong> This sample also illustrates how to use the
 <code><a href="../../../reference/android/media/RemoteControlClient.html">RemoteControlClient</a></code>
 class added in API level 14 to integrate with music playback remote controls
 such as those found on the lockscreen.</p>

samples/SampleSyncAdapter/_index.html

@@ -26,6 +26,10 @@ AbstractThreadedSyncAdapter</a></code> abstract class and implementing the
 <code>onPerformSync()</code> method, which gets called whenever the sync manager
 issues a sync operation for that sync adapter. </p>
 
+<p class="note"><strong>Update:</strong> This sample has been updated for Android 4.0 to
+demonstrate new features, including: syncing and viewing contact groups, handling the "invite"
+intent, and a few other improvements.</p>
+
 <p> The cloud-based service for this sample application is running at: </p>
 <p style="margin-left:2em;">http://samplesyncadapter2.appspot.com/</p>