add About secondary nav bar
and delete the Wear custom header

Change-Id: If7ac93556586d369a2dbf7e1fc4044473ace7bc9
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index 0a5174c..9bfe3d5 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -1526,6 +1526,9 @@
     color: #333;
     font-size: 16px;
 }
+.about a.selected {
+    color: #9933CC;
+}
 .design a.selected {
     color: #33b5e5;
 }