Docs: Adding Javadoc fix and replacing "latest version" with "master branch"

Bug: 11446354
Change-Id: Ib1d3d166ee743781ccc0695c543ad26fc7927e19
diff --git a/src/source/building.jd b/src/source/building.jd
index f00be66..8eec5a9 100644
--- a/src/source/building.jd
+++ b/src/source/building.jd
@@ -49,7 +49,7 @@
   </li>
 
   <li>
-  JDK 7 to build the latest version of Android in the <a
+  JDK 7 to build the master branch of Android in the <a
   href="https://android.googlesource.com/">Android Open Source Project
   (AOSP)</a>; JDK 6 to build Gingerbread through KitKat; JDK 5 for Cupcake through
   Froyo. See <a href="initializing.html">Initializing a Build Environment</a>