docs: update sidenav-width-adjust script so Training classes save the width for the Resources section

Change-Id: I0125b1d585a0adde7f5f485f3288fdc7a8a55faf

tools/droiddoc/templates-sdk/assets/android-developer-docs.js

@@ -372,6 +372,7 @@ function resizeWidth() {
   if (sidenav.length) { // Must check if the nav exists because IE6 calls resizeWidth() from resizeAll() for all pages
     var basePath = getBaseUri(location.pathname);
     var section = basePath.substring(1,basePath.indexOf("/",1));
+    section = section.indexOf("training") != -1 ? "resources" : section;
     writeCookie("width", sidenavWidth, section, null);
   }
 }