SCons: Disable openxr module with disable_3d=yes

Fixes #69470.

modules/openxr/config.py

@@ -1,6 +1,6 @@
 def can_build(env, platform):
     if platform in ("linuxbsd", "windows", "android"):
-        return env["openxr"]
+        return env["openxr"] and not env["disable_3d"]
     else:
         # not supported on these platforms
         return False