Fix LUT3D information lost after re-edit

bug:9427243

Change-Id: I8535c8776c866fd6c84d391a8de82df9cb214694
diff --git a/src/com/android/gallery3d/filtershow/filters/FilterFxRepresentation.java b/src/com/android/gallery3d/filtershow/filters/FilterFxRepresentation.java
index 2dbff94..208b3c8 100644
--- a/src/com/android/gallery3d/filtershow/filters/FilterFxRepresentation.java
+++ b/src/com/android/gallery3d/filtershow/filters/FilterFxRepresentation.java
@@ -58,6 +58,7 @@
         if (a instanceof FilterFxRepresentation) {
             FilterFxRepresentation representation = (FilterFxRepresentation) a;
             setName(representation.getName());
+            setSerializationName(representation.getSerializationName());
             setBitmapResource(representation.getBitmapResource());
             setNameResource(representation.getNameResource());
         }