fix(sample code): Update client samples in KMS goldens (#697)

Author: miraleung

test/integration/goldens/kms/KeyManagementServiceClient.java

@@ -3374,6 +3374,13 @@ public final ListLocationsPagedResponse listLocations(ListLocationsRequest reque
  * <pre>{@code
  * try (KeyManagementServiceClient keyManagementServiceClient =
  * KeyManagementServiceClient.create()) {
+ * ListLocationsRequest request =
+ * ListLocationsRequest.newBuilder()
+ * .setName("name3373707")
+ * .setFilter("filter-1274492040")
+ * .setPageSize(883849137)
+ * .setPageToken("pageToken873572522")
+ * .build();
  * while (true) {
  * ListLocationsResponse response =
  * keyManagementServiceClient.listLocationsCallable().call(request);