Reformat samples with spring-javaformat 0.0.8

See gh-16418

spring-boot-samples/spring-boot-sample-webflux/src/main/java/sample/webflux/ExampleController.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,8 +23,10 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 public class ExampleController {
 
-	@PostMapping(path = "/", consumes = { MediaType.APPLICATION_JSON_VALUE,
-			"!application/xml" }, produces = MediaType.TEXT_PLAIN_VALUE, headers = "X-Custom=Foo", params = "a!=alpha")
+	@PostMapping(path = "/",
+			consumes = { MediaType.APPLICATION_JSON_VALUE, "!application/xml" },
+			produces = MediaType.TEXT_PLAIN_VALUE, headers = "X-Custom=Foo",
+			params = "a!=alpha")
 	public String example() {
 		return "Hello World";
 	}