Fix feature flagging test formatting

Author: leoromanovsky

products/feature-flagging/feature-flagging-lib/src/test/java/com/datadog/featureflag/RemoteConfigServiceImplTest.java

@@ -31,8 +31,8 @@
 import datadog.trace.api.featureflag.FeatureFlaggingGateway;
 import datadog.trace.api.featureflag.ufc.v1.Flag;
 import datadog.trace.api.featureflag.ufc.v1.ServerConfiguration;
-import java.lang.annotation.Annotation;
 import java.io.IOException;
+import java.lang.annotation.Annotation;
 import java.lang.reflect.Type;
 import java.time.Instant;
 import java.util.Date;