Bug 959059: Abort shrinkUI if P2P link is gone.
Bug 991970 - NFC Manager: ontagfound. top most app functionality for NFC.
Bug 991970: ontagfound, ontaglost changes. Can't pass ndefmessage yet (WebIDL).
WIP: Support sending activity data to ontagfound.
Add additional ontagfound data for application to handle.
Add nfc-demo.