am 668b7111: fix bug in event response logic: if guests have been hidden, you should be able to respond to the event.

Merge commit '668b7111b25e97339a906ddfb6f8e84f59e8e885' into eclair-plus-aosp

* commit '668b7111b25e97339a906ddfb6f8e84f59e8e885':
  fix bug in event response logic: if guests have been hidden, you should be able to respond to the event.