Separate CPU driver impl from reference driver.

Change-Id: Ifb484edda665959b81d7b1f890d108bfa20a535d
diff --git a/rsScriptC.h b/rsScriptC.h
index 4ef2c4b..75fb0f4 100644
--- a/rsScriptC.h
+++ b/rsScriptC.h
@@ -60,8 +60,7 @@
 //protected:
     void setupScript(Context *);
     void setupGLState(Context *);
-    Script * setTLS(Script *);
-  private:
+private:
 #ifndef ANDROID_RS_SERIALIZE
     bcinfo::BitcodeTranslator *BT;
 #endif