fix javadoc sidenav so it does not cutoff overflowing link names

Change-Id: I48f3a7cf4715061702c0a0c7537fa1b09734c62a
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index dbc8410..fa9dee3 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -4364,7 +4364,6 @@
 
 .jspPane {
   position: absolute;
-  overflow: hidden;
   width:100% !important; /* to avoid cut-off api names in reference in horiz scroll */
 }