am 321f7fad: Making sure that there is no notification when focus changes from something to nothing.

Merge commit '321f7fad5c4a6ef27e944dc72e2ddbfb61af81de' into gingerbread-plus-aosp

* commit '321f7fad5c4a6ef27e944dc72e2ddbfb61af81de':
  Making sure that there is no notification when focus changes from something to nothing.