Remove all public mention of RS graphics from docs.

Change-Id: Ie43b5fb0353149aa9af433b6f5c5141349388ea0
diff --git a/graphics/java/android/renderscript/RSTextureView.java b/graphics/java/android/renderscript/RSTextureView.java
index ed04000..7eeeeae 100644
--- a/graphics/java/android/renderscript/RSTextureView.java
+++ b/graphics/java/android/renderscript/RSTextureView.java
@@ -29,6 +29,7 @@
 import android.view.TextureView;
 
 /**
+ * @hide
  * @deprecated in API 16
  * The Texture View for a graphics renderscript (RenderScriptGL)
  * to draw on.