Android build settings + metaxr

Plugins/MetaXR/Source/OculusXRHMD/Public/OpenXR/IOculusXRExtensionPlugin.h

@@ -0,0 +1,21 @@
+// Copyright (c) Meta Platforms, Inc. and affiliates.
+
+#pragma once
+
+// DO NOT REMOVE
+// This include is needed in order to have the latest openxr header (from Thirdparty/KhronosOpenXR/)
+// Without it, IOpenXRExtensionPlugin.h will include the openxr header from the Engine itself, which is outdated.
+#include "khronos/openxr/openxr.h"
+
+#include "IOpenXRExtensionPlugin.h"
+
+class IOculusXRExtensionPlugin : public IOpenXRExtensionPlugin
+{
+public:
+	void RegisterOpenXRExtensionPlugin()
+	{
+#if defined(WITH_OCULUS_BRANCH)
+		RegisterOpenXRExtensionModularFeature();
+#endif
+	}
+};