Remove useless slot from ProgramVertex.  Optimize GL state setup.
diff --git a/graphics/java/android/renderscript/ProgramVertex.java b/graphics/java/android/renderscript/ProgramVertex.java
index a6fdf1f..c4f7759 100644
--- a/graphics/java/android/renderscript/ProgramVertex.java
+++ b/graphics/java/android/renderscript/ProgramVertex.java
@@ -38,8 +38,8 @@
         mID = 0;
     }
 
-    public void bindAllocation(int slot, MatrixAllocation va) {
-        mRS.nProgramVertexBindAllocation(mID, slot, va.mAlloc.mID);
+    public void bindAllocation(MatrixAllocation va) {
+        mRS.nProgramVertexBindAllocation(mID, va.mAlloc.mID);
     }