am 5d7f6e61: Merge "Support for tapping on an immersive-mode priority notification." into gingerbread

Merge commit '5d7f6e614e7ead1fbe40a6886f78c31809bcbd40' into gingerbread-plus-aosp

* commit '5d7f6e614e7ead1fbe40a6886f78c31809bcbd40':
  Support for tapping on an immersive-mode priority notification.