fix the build still

Change-Id: I2bfbcdd4b463549f3f331ac7a1c7fa89aadef1a8
diff --git a/tools/droiddoc/src/DroidDoc.java b/tools/droiddoc/src/DroidDoc.java
index 57d78fb..91a795e 100644
--- a/tools/droiddoc/src/DroidDoc.java
+++ b/tools/droiddoc/src/DroidDoc.java
@@ -434,6 +434,9 @@
         if (option.equals("-nodocs")) {
             return 1;
         }
+        if (option.equals("-parsecomments")) {
+            return 1;
+        }
         if (option.equals("-since")) {
             return 3;
         }