Organize imports

Change-Id: I7e3f1c39076826cc515bcb7256d26937f05fea6d
diff --git a/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookChangeScreenExtension.java b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookChangeScreenExtension.java
index faf4c0e..d5d6e8a 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookChangeScreenExtension.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/cookbook/client/CookBookChangeScreenExtension.java
@@ -18,8 +18,8 @@
 import com.google.gerrit.client.info.ChangeInfo;
 import com.google.gerrit.plugin.client.extension.Panel;
 import com.google.gwt.user.client.ui.Grid;
-import com.google.gwt.user.client.ui.VerticalPanel;
 import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
+import com.google.gwt.user.client.ui.VerticalPanel;
 import com.google.gwtexpui.clippy.client.CopyableLabel;
 
 /**