change the G+ community link

Change-Id: I68d453062232b739c3fdaee193eb9a20cd03d8f8
diff --git a/docs/html/preview/index.html b/docs/html/preview/index.html
index 51597fe..4c42d99 100644
--- a/docs/html/preview/index.html
+++ b/docs/html/preview/index.html
@@ -257,7 +257,7 @@
                     Join the community of Android developers testing out the L Developer Preview and
                     share your thoughts and experiences.
                   </p><p class="landing-small">
-                    <a href="https://plus.google.com/communities/101985907812750684586">
+                    <a href="http://g.co/androidldevpreview">
                     Discuss on Google+</a>
                     </p>
                 </div>