egl/android: don't pass loaderPriv in get_front_bo

This is a noop, as no loader extensions pass a __DRIimage's
loader_private data back to the loader.

Signed-off-by: David Stevens <stevensd@chromium.org>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7805>

src/egl/drivers/dri2/platform_android.c

@@ -769,7 +769,7 @@ get_front_bo(struct dri2_egl_surface *dri2_surf, unsigned int format)
                                               dri2_surf->base.Height,
                                               format,
                                               0,
-                                              dri2_surf);
+                                              NULL);
       if (!dri2_surf->dri_image_front) {
          _eglLog(_EGL_WARNING, "dri2_image_front allocation failed");
          return -1;