docs: Update design download links

This is a manual merge of change I354d5dfd9c8c8843c217767ccb04447b30f79a48
from jb-dev-docs.

Change-Id: I448eca9e6c5a3e4ff9af82e14d713fdf3e99f236

Author: romannurik

docs/html/design/patterns/actionbar.jd

@@ -293,7 +293,7 @@ files for further customization.
 </p>
 <p>
 
-<a href="{@docRoot}downloads/design/Android_Design_Icons_20120229.zip">Download the Action Bar Icon Pack</a>
+<a href="{@docRoot}downloads/design/Android_Design_Icons_20120814.zip">Download the Action Bar Icon Pack</a>
 
 </p>
 

docs/html/design/style/typography.jd

@@ -18,7 +18,7 @@ italic weights by default.</p>
 
     <img src="{@docRoot}design/media/typography_alphas.png">
 
-<p><a href="{@docRoot}downloads/design/Roboto_Hinted_20111129.zip">Download Roboto</a></p>
+<p><a href="{@docRoot}downloads/design/Roboto_Hinted_20120823.zip">Download Roboto</a></p>
 <p><a href="{@docRoot}downloads/design/Roboto_Specimen_Book_20111129.pdf">Specimen Book</a></p>
 
   </div>