sdk doc change for esr: Add left nav highlight for interior files in resources tab.

Bug:2160782
Change-Id: Ib471b5b28f599447e77294c8dcc23d24a18c3436
diff --git a/tools/droiddoc/templates/assets/android-developer-docs.js b/tools/droiddoc/templates/assets/android-developer-docs.js
index 95099a3..08e47fa 100644
--- a/tools/droiddoc/templates/assets/android-developer-docs.js
+++ b/tools/droiddoc/templates/assets/android-developer-docs.js
@@ -182,7 +182,7 @@
   var htmlPos = fullPageName.lastIndexOf(".html", fullPageName.length);
   var pathPageName = fullPageName.slice(firstSlashPos, htmlPos + 5);
   var link = $("#devdoc-nav a[href$='"+ pathPageName+"']");
-  if ((link.length == 0) && (fullPageName.indexOf("/guide/") != -1)) { 
+  if ((link.length == 0) && ((fullPageName.indexOf("/guide/") != -1) || (fullPageName.indexOf("/resources/") != -1))) { 
 // if there's no match, then let's backstep through the directory until we find an index.html page that matches our ancestor directories (only for dev guide)
     lastBackstep = pathPageName.lastIndexOf("/");
     while (link.length == 0) {