Adding support for all allowed textures.

Cleaning up unused code
Adding error messages

Change-Id: I3a92476738ff7699d49feeafcd3eee6f70621acb

graphics/java/android/renderscript/ProgramVertex.java

@@ -64,7 +64,7 @@ public class ProgramVertex extends Program {
             tmp[idx++] = 3;
             tmp[idx++] = mTextureCount;
 
-            int id = mRS.nProgramVertexCreate2(mShader, tmp);
+            int id = mRS.nProgramVertexCreate(mShader, tmp);
             ProgramVertex pv = new ProgramVertex(id, mRS);
             initProgram(pv);
             return pv;