Fix blur intrinsic creation.

Change-Id: Iaf54c7395d447eec94d8b6c12986fa8d16c030f5
diff --git a/graphics/java/android/renderscript/ScriptIntrinsicBlur.java b/graphics/java/android/renderscript/ScriptIntrinsicBlur.java
index 7ffd1e7..2848f64 100644
--- a/graphics/java/android/renderscript/ScriptIntrinsicBlur.java
+++ b/graphics/java/android/renderscript/ScriptIntrinsicBlur.java
@@ -46,7 +46,7 @@
      * @return ScriptIntrinsicBlur
      */
     public static ScriptIntrinsicBlur create(RenderScript rs, Element e) {
-        if ((e != Element.U8_4(rs)) && e != (Element.U8(rs))) {
+        if ((!e.isCompatible(Element.U8_4(rs))) && (!e.isCompatible(Element.U8(rs)))) {
             throw new RSIllegalArgumentException("Unsuported element type.");
         }
         int id = rs.nScriptIntrinsicCreate(5, e.getID(rs));