Add new args4j methods required as of args4j 2.0.29.

Change-Id: I746cc3a899b045443e90f786d0d181d4b8d30246

java/com/google/gerrit/sshd/commands/ApproveOption.java

@@ -114,6 +114,16 @@ final class ApproveOption implements Option, Setter<Short> {
     return false;
   }
 
+  // TODO(hanwen): add @Override after args4j upgrade.
+  public String[] forbids() {
+    return null;
+  }
+
+  // TODO(hanwen): add @Override after args4j upgrade.
+  public boolean help() {
+    return false;
+  }
+
   String getLabelName() {
     return type.getName();
   }

java/com/google/gerrit/util/cli/CmdLineParser.java

@@ -377,6 +377,16 @@ public class CmdLineParser {
       return o.depends();
     }
 
+    // TODO(hanwen): add @Override after args4j upgrade.
+    public String[] forbids() {
+      return null;
+    }
+
+    // TODO(hanwen): add @Override after args4j upgrade.
+    public boolean help() {
+      return false;
+    }
+
     @Override
     public Class<? extends Annotation> annotationType() {
       return o.annotationType();
@@ -563,6 +573,16 @@ public class CmdLineParser {
     public boolean isMultiValued() {
       return false;
     }
+
+    // TODO(hanwen): add @Override after args4j upgrade.
+    public String[] forbids() {
+      return null;
+    }
+
+    // TODO(hanwen): add @Override after args4j upgrade.
+    public boolean help() {
+      return false;
+    }
   }
 
   public CmdLineException reject(String message) {