Add training/ directory to path of docs to use the resources tab (using docpage.cs)

Change-Id: I50ea30d4447d25ff60b761e8be77065917cc686b
diff --git a/src/com/google/doclava/DocFile.java b/src/com/google/doclava/DocFile.java
index a60ee0a..700167a 100644
--- a/src/com/google/doclava/DocFile.java
+++ b/src/com/google/doclava/DocFile.java
@@ -130,7 +130,7 @@
       } else if (outfile.indexOf("guide/") != -1) {
         hdf.setValue("guide", "true");
         ClearPage.write(hdf, "docpage.cs", outfile);
-      } else if (outfile.indexOf("resources/") != -1) {
+      } else if ((outfile.indexOf("resources/") != -1) || (outfile.indexOf("training/") != -1)) {
         hdf.setValue("resources", "true");
         ClearPage.write(hdf, "docpage.cs", outfile);
       } else {