am 7e7d75ee: am 27626c03: Add API key to BackupRestore sample code.

Merge commit '7e7d75eefd23debadb67e894bc152e479bdb714f' into kraken

* commit '7e7d75eefd23debadb67e894bc152e479bdb714f':
  Add API key to BackupRestore sample code.