Wrapping new api's with proper RS_VERSION

Change-Id: Ib8656cb2b6d0b8adeab15edfd704620451ce56ad
diff --git a/scriptc/rs_sampler.rsh b/scriptc/rs_sampler.rsh
index 130eca0..c8948c7 100644
--- a/scriptc/rs_sampler.rsh
+++ b/scriptc/rs_sampler.rsh
@@ -14,31 +14,6 @@
  * limitations under the License.
  */
 
-/*! \mainpage notitle
- *
- * Renderscript is a high-performance runtime that provides graphics rendering and
- * compute operations at the native level. Renderscript code is compiled on devices
- * at runtime to allow platform-independence as well.
- * This reference documentation describes the Renderscript runtime APIs, which you
- * can utilize to write Renderscript code in C99. The Renderscript header
- * files are automatically included for you, except for the rs_graphics.rsh header. If
- * you are doing graphics rendering, include the graphics header file like this:
- *
- * <code>#include "rs_graphics.rsh"</code>
- *
- * To use Renderscript, you need to utilize the Renderscript runtime APIs documented here
- * as well as the Android framework APIs for Renderscript.
- * For documentation on the Android framework APIs, see the <a target="_parent" href=
- * "http://developer.android.com/reference/android/renderscript/package-summary.html">
- * android.renderscript</a> package reference.
- * For more information on how to develop with Renderscript and how the runtime and
- * Android framework APIs interact, see the <a target="_parent" href=
- * "http://developer.android.com/guide/topics/renderscript/index.html">Renderscript
- * developer guide</a> and the <a target="_parent" href=
- * "http://developer.android.com/resources/samples/RenderScript/index.html">
- * Renderscript samples</a>.
- */
-
 /** @file rs_sampler.rsh
  *  \brief Sampler routines
  *
@@ -48,6 +23,8 @@
 #ifndef __RS_SAMPLER_RSH__
 #define __RS_SAMPLER_RSH__
 
+#if (defined(RS_VERSION) && (RS_VERSION >= 16))
+
 /**
  * @hide
  * Get sampler minification value
@@ -93,5 +70,7 @@
 extern float __attribute__((overloadable))
     rsSamplerGetAnisotropy(rs_sampler s);
 
+#endif // (defined(RS_VERSION) && (RS_VERSION >= 16))
+
 #endif // __RS_SAMPLER_RSH__