Organize imports with new settings

See gh-4234

spring-boot-samples/spring-boot-sample-metrics-redis/src/main/java/sample/metrics/redis/SampleController.java

@@ -20,6 +20,7 @@ import java.util.Collections;
 import java.util.Map;
 
 import org.hibernate.validator.constraints.NotBlank;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Description;
 import org.springframework.stereotype.Controller;

spring-boot-samples/spring-boot-sample-metrics-redis/src/test/java/sample/metrics/redis/SampleRedisExportApplicationTests.java

@@ -18,6 +18,7 @@ package sample.metrics.redis;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
+
 import org.springframework.boot.test.IntegrationTest;
 import org.springframework.boot.test.SpringApplicationConfiguration;
 import org.springframework.test.annotation.DirtiesContext;