chore: Integrate new gapic-generator-java and rules_gapic (#666)

- [ ] 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-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudBillingClient.java

@@ -365,7 +365,7 @@ public final ListBillingAccountsPagedResponse listBillingAccounts(
    *   while (true) {
    *     ListBillingAccountsResponse response =
    *         cloudBillingClient.listBillingAccountsCallable().call(request);
-   *     for (BillingAccount element : response.getResponsesList()) {
+   *     for (BillingAccount element : response.getBillingAccountsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -750,7 +750,7 @@ public final ListProjectBillingInfoPagedResponse listProjectBillingInfo(
    *   while (true) {
    *     ListProjectBillingInfoResponse response =
    *         cloudBillingClient.listProjectBillingInfoCallable().call(request);
-   *     for (ProjectBillingInfo element : response.getResponsesList()) {
+   *     for (ProjectBillingInfo element : response.getProjectBillingInfoList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();

java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudCatalogClient.java

@@ -247,7 +247,7 @@ public final ListServicesPagedResponse listServices(ListServicesRequest request)
    *           .build();
    *   while (true) {
    *     ListServicesResponse response = cloudCatalogClient.listServicesCallable().call(request);
-   *     for (Service element : response.getResponsesList()) {
+   *     for (Service element : response.getServicesList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -399,7 +399,7 @@ public final UnaryCallable<ListSkusRequest, ListSkusPagedResponse> listSkusPaged
    *           .build();
    *   while (true) {
    *     ListSkusResponse response = cloudCatalogClient.listSkusCallable().call(request);
-   *     for (Sku element : response.getResponsesList()) {
+   *     for (Sku element : response.getSkusList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();