First cut at RSTextureView.

Change-Id: I920950f33079b6bb7e48bb8970201ab9737bb021
diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index 9941827..4856ab6 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -22,6 +22,7 @@
 import android.content.res.AssetManager;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.SurfaceTexture;
 import android.os.Process;
 import android.util.Log;
 import android.view.Surface;
@@ -109,6 +110,11 @@
         validate();
         rsnContextSetSurface(mContext, w, h, sur);
     }
+    native void rsnContextSetSurfaceTexture(int con, int w, int h, SurfaceTexture sur);
+    synchronized void nContextSetSurfaceTexture(int w, int h, SurfaceTexture sur) {
+        validate();
+        rsnContextSetSurfaceTexture(mContext, w, h, sur);
+    }
     native void rsnContextSetPriority(int con, int p);
     synchronized void nContextSetPriority(int p) {
         validate();