Support new Analyze subtab under Distribute.

Change-Id: Ic9142800c65d59418ab4036d0a86d904e5b07527
diff --git a/src/com/google/doclava/DocFile.java b/src/com/google/doclava/DocFile.java
index 2ebf7b7..fb7c706 100644
--- a/src/com/google/doclava/DocFile.java
+++ b/src/com/google/doclava/DocFile.java
@@ -219,6 +219,8 @@
           hdf.setValue("engage", "true");
         } else if (filename.indexOf("distribute/monetize") == 0) {
           hdf.setValue("monetize", "true");
+        } else if (filename.indexOf("distribute/analyze") == 0) {
+          hdf.setValue("analyze", "true");
         } else if (filename.indexOf("distribute/tools") == 0) {
           hdf.setValue("disttools", "true");
         } else if (filename.indexOf("distribute/stories") == 0) {