Merge "Add getEsn()." into nyc-mr1-dev am: 1d3a487105
am: 93b75cd7f8

* commit '93b75cd7f85616e7bc90b9c6cb88473e975f6ddf':
  Add getEsn().

Change-Id: I6e24c4828f6577c8adef12f8dc1a278abab21571