Cleanup and refactoring of an earlier cl.

Change-Id: I5e356ed88375a1620846e0c500659e3b7ead5030
diff --git a/libs/rs/RenderScript.h b/libs/rs/RenderScript.h
index 43d4291..3ad453f 100644
--- a/libs/rs/RenderScript.h
+++ b/libs/rs/RenderScript.h
@@ -171,7 +171,8 @@
     RS_SAMPLER_LINEAR,
     RS_SAMPLER_LINEAR_MIP_LINEAR,
     RS_SAMPLER_WRAP,
-    RS_SAMPLER_CLAMP
+    RS_SAMPLER_CLAMP,
+    RS_SAMPLER_LINEAR_MIP_NEAREST,
 };
 
 enum RsTextureTarget {