fix architecture test

Author: zeitlinger

docs/apidiffs/current_vs_latest/opentelemetry-sdk.txt

@@ -1,2 +1,2 @@
 Comparing source compatibility of opentelemetry-sdk-1.53.0-SNAPSHOT.jar against opentelemetry-sdk-1.52.0.jar
-No changes.
+No changes.

sdk/all/src/main/java/io/opentelemetry/sdk/internal/WithShutdown.java

@@ -12,6 +12,12 @@
 import java.io.Closeable;
 import java.util.concurrent.TimeUnit;
 
+/**
+ * Class that provides a shutdown method to close the SDK components gracefully.
+ *
+ * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change
+ * at any time.
+ */
 public interface WithShutdown extends Closeable {
   /**
    * Shutdown the SDK. Calls {@link SdkTracerProvider#shutdown()}, {@link