Update native bridge to UI Automation for speed and reliability

Native UI Automation bridge redesigned for speed and reliability.  The
bridge library has been renamed to UiaBridge.  Native components use VS
2010 C++ and .Net 4.

native/uiabtest/stdafx.h

@@ -0,0 +1,11 @@
+// stdafx.h : include file for standard system include files,
+// or project specific include files that are used frequently, but
+// are changed infrequently
+//
+
+#pragma once
+
+// TODO: reference additional headers your program requires here
+#include <stdio.h>
+#include <conio.h>
+#include <tchar.h>