Refactoring of Program ownership/lifecycle, and WIP Glop rendering path

Change-Id: I2549032790bddbc048b0bccc224ed8f386b4517c
diff --git a/libs/hwui/Program.cpp b/libs/hwui/Program.cpp
index fb07dfa..5f34b34 100644
--- a/libs/hwui/Program.cpp
+++ b/libs/hwui/Program.cpp
@@ -46,7 +46,7 @@
             glAttachShader(mProgramId, mVertexShader);
             glAttachShader(mProgramId, mFragmentShader);
 
-            position = bindAttrib("position", kBindingPosition);
+            bindAttrib("position", kBindingPosition);
             if (description.hasTexture || description.hasExternalTexture) {
                 texCoords = bindAttrib("texCoords", kBindingTexCoords);
             } else {