Merge "Non-argument constructor for JSON doesn't need to be public"

gerrit-common/src/main/java/com/google/gerrit/common/data/GroupList.java

diff --git a/gerrit-common/src/main/java/com/google/gerrit/common/data/GroupList.java b/gerrit-common/src/main/java/com/google/gerrit/common/data/GroupList.java
index aa8074c7..9c79eb2 100644
--- a/gerrit-common/src/main/java/com/google/gerrit/common/data/GroupList.java
+++ b/gerrit-common/src/main/java/com/google/gerrit/common/data/GroupList.java
@@ -22,7 +22,7 @@
   protected List<GroupDetail> groups;
   protected boolean canCreateGroup;
 
-  public GroupList() {
+  protected GroupList() {
   }
 
   public GroupList(final List<GroupDetail> groups, final boolean canCreateGroup) {