Organize imports

Change-Id: I6ed33b1a7e324e0db0a385493e857d3ddc05d0b9

src/main/java/com/googlesource/gerrit/plugins/cookbook/SampleOperator.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/cookbook/SampleOperator.java b/src/main/java/com/googlesource/gerrit/plugins/cookbook/SampleOperator.java
index 4d11bf9..908a934 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/cookbook/SampleOperator.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/cookbook/SampleOperator.java
@@ -20,7 +20,6 @@
 import com.google.gerrit.server.query.QueryParseException;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.server.query.change.ChangeQueryBuilder;
-
 import com.google.inject.Singleton;
 
 @Singleton