Support for unsigned long and unsigned long long.

Change-Id: I2f9cfb7f352e2e7e7fd49eac42a821c03b5fcb9f
diff --git a/graphics/java/android/renderscript/Element.java b/graphics/java/android/renderscript/Element.java
index 91824e6..dc421d8 100644
--- a/graphics/java/android/renderscript/Element.java
+++ b/graphics/java/android/renderscript/Element.java
@@ -47,7 +47,7 @@
         UNSIGNED_8 (8, 1),
         UNSIGNED_16 (9, 2),
         UNSIGNED_32 (10, 4),
-        //UNSIGNED_64 (11, 8),
+        UNSIGNED_64 (11, 8),
 
         BOOLEAN(12, 1),
 
@@ -142,6 +142,13 @@
         return rs.mElement_I32;
     }
 
+    public static Element U64(RenderScript rs) {
+        if(rs.mElement_U64 == null) {
+            rs.mElement_U64 = createUser(rs, DataType.UNSIGNED_64);
+        }
+        return rs.mElement_U64;
+    }
+
     public static Element I64(RenderScript rs) {
         if(rs.mElement_I64 == null) {
             rs.mElement_I64 = createUser(rs, DataType.SIGNED_64);