docs: changes to sdk page and script for toggles

Change-Id: Idef0c6099885cada3a4866ed7b5ec5b6f5078e39
diff --git a/tools/droiddoc/templates-sdk/assets/js/docs.js b/tools/droiddoc/templates-sdk/assets/js/docs.js
index 54e1fd4..3cdfe1e 100644
--- a/tools/droiddoc/templates-sdk/assets/js/docs.js
+++ b/tools/droiddoc/templates-sdk/assets/js/docs.js
@@ -1065,6 +1065,7 @@
 
 function hideExpandable(ids) {
   $(ids).slideUp();
+  $(ids).prev('h4').find('a.expandable').removeClass('expanded');
 }