aux/ogl: always return false in ogl_import_from_native for AHardwareBuffer

Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2272>

src/xrt/auxiliary/ogl/ogl_helpers.c

···
                        const struct xrt_swapchain_create_info *info,
                        struct ogl_import_results *results)
 {
+#if defined(XRT_OS_ANDROID_USE_AHB)
+	// Function is disabled for AHardwareBuffer, glImportMemoryFdEXT requires an actual FD and requires more work
+	// to handle AHardwareBuffer.
+	return false;
+#endif
+
 	// Setup fields.
 	results->width = info->width;
 	results->height = info->height;