Merge branch 'stable-2.15' into stable-2.16

* stable-2.15:
  AccountExternalIdInfo: Add implementation of toString

Change-Id: Ice9f69b827506e2ea5901c1b59716965bd16d616

java/com/google/gerrit/extensions/common/AccountExternalIdInfo.java

@@ -14,6 +14,8 @@
 
 package com.google.gerrit.extensions.common;
 
+import static com.google.common.base.MoreObjects.toStringHelper;
+
 import com.google.common.collect.ComparisonChain;
 import java.util.Objects;
 
@@ -47,4 +49,14 @@ public class AccountExternalIdInfo implements Comparable<AccountExternalIdInfo>
   public int hashCode() {
     return Objects.hash(identity, emailAddress, trusted, canDelete);
   }
+
+  @Override
+  public String toString() {
+    return toStringHelper(this)
+        .add("identity", identity)
+        .add("emailAddress", emailAddress)
+        .add("trusted", trusted)
+        .add("canDelete", canDelete)
+        .toString();
+  }
 }