Adjust to changes in Gerrit core

Change-Id: I64ca220c9872aa9d92d7b0712abab6bacd0b3eea

src/main/java/com/googlesource/gerrit/plugins/reviewnotes/HeaderFormatter.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/HeaderFormatter.java b/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/HeaderFormatter.java
index 480a268..c7270e3 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/HeaderFormatter.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/HeaderFormatter.java
@@ -18,9 +18,9 @@
 
 import com.google.common.base.Strings;
 import com.google.gerrit.common.data.LabelType;
-import com.google.gerrit.common.data.LabelValue;
 import com.google.gerrit.entities.Account;
 import com.google.gerrit.entities.Change;
+import com.google.gerrit.entities.LabelValue;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.server.config.UrlFormatter;
 import java.text.DateFormat;