Fix java demo error in reset cursor admin
@@ -811,7 +811,7 @@ $ pulsar-admin topics reset-cursor \
String topic = "persistent://my-tenant/my-namespace/my-topic";
String subName = "my-subscription";
long timestamp = 2342343L;
-admin.topics().skipAllMessages(topic, subName, timestamp);
+admin.topics().resetCursor(topic, subName, timestamp);
```
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