chore: Integrate new gapic-generator-java and rules_gapic (#834)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 454027580

Source-Link: googleapis/googleapis@1b22277

Source-Link: https://github.com/googleapis/googleapis-gen/commit/e04cea20d0d12eb5c3bdb360a9e72b654edcb638
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZTA0Y2VhMjBkMGQxMmViNWMzYmRiMzYwYTllNzJiNjU0ZWRjYjYzOCJ9

Author: gcf-owl-bot[bot]

java-document-ai/google-cloud-document-ai/src/main/java/com/google/cloud/documentai/v1beta3/DocumentProcessorServiceClient.java

@@ -685,7 +685,7 @@ public final ListProcessorsPagedResponse listProcessors(ListProcessorsRequest re
    *   while (true) {
    *     ListProcessorsResponse response =
    *         documentProcessorServiceClient.listProcessorsCallable().call(request);
-   *     for (Processor element : response.getResponsesList()) {
+   *     for (Processor element : response.getProcessorsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();