to avoid
feature-not-implemented
at org.jivesoftware.smack.PacketCollector.nextResultOrThrow(PacketCollector.java:182)
at org.jivesoftware.smack.PacketCollector.nextResultOrThrow(PacketCollector.java:161)
at org.jivesoftware.smackx.disco.ServiceDiscoveryManager.discoverItems(ServiceDiscoveryManager.java:573)
at org.jivesoftware.smackx.address.MultipleRecipientManager.getMultipleRecipienServiceAddress(MultipleRecipientManager.java:310)
at org.jivesoftware.smackx.address.MultipleRecipientManager.send$7a184d34(MultipleRecipientManager.java:82)
for e.g. Google Apps XMPP services.
This is not to be merged in master/4.1 branch as it already contains a
similar fix.