am 48ad5dfe: Merge "Add NFC checkbox to Settings app." into gingerbread

Merge commit '48ad5dfe3189534cc3c9b8cb6f84758db19524c4' into gingerbread-plus-aosp

* commit '48ad5dfe3189534cc3c9b8cb6f84758db19524c4':
  Add NFC checkbox to Settings app.