xgl: Impossible to expose multi-function queues

Bug: 13363
header version: r29597 (0.51.0)
included review feedback.
diff --git a/layers/draw_state.h b/layers/draw_state.h
index f5230f8..cb71b34 100644
--- a/layers/draw_state.h
+++ b/layers/draw_state.h
@@ -222,7 +222,7 @@
 // Cmd Buffer Wrapper Struct
 typedef struct _GLOBAL_CB_NODE {
     XGL_CMD_BUFFER                  cmdBuffer;
-    XGL_QUEUE_TYPE                  queueType;
+    uint32_t	                    queueNodeIndex;
     XGL_FLAGS                       flags;
     XGL_FENCE                       fence;    // fence tracking this cmd buffer
     uint64_t                        numCmds;  // number of cmds in this CB