Organize imports with new settings

See gh-4234

spring-boot-samples/spring-boot-sample-logback/src/main/java/sample/logback/SampleLogbackApplication.java

@@ -20,6 +20,7 @@ import javax.annotation.PostConstruct;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 

spring-boot-samples/spring-boot-sample-logback/src/test/java/sample/logback/SampleLogbackApplicationTests.java

@@ -18,6 +18,7 @@ package sample.logback;
 
 import org.junit.Rule;
 import org.junit.Test;
+
 import org.springframework.boot.test.OutputCapture;
 
 import static org.hamcrest.Matchers.containsString;