Add private helpers needed for job queue.
We need to compare the data in parcels.  Bleah.
Test: not relevant here.
Change-Id: I7b694ec89793449bf7ac342f663dc534feedf9b6
diff --git a/include/binder/Parcel.h b/include/binder/Parcel.h
index cf2fa47..5d36526 100644
--- a/include/binder/Parcel.h
+++ b/include/binder/Parcel.h
@@ -72,6 +72,8 @@
     status_t            appendFrom(const Parcel *parcel,
                                    size_t start, size_t len);
 
+    int                 compareData(const Parcel& other);
+
     bool                allowFds() const;
     bool                pushAllowFds(bool allowFds);
     void                restoreAllowFds(bool lastValue);