am 8ad0281: With this, the BackupService onBackup method is called.

Merge commit '8ad028117d4b99883bbc52b29f097b2fb1d9b0c2'

* commit '8ad028117d4b99883bbc52b29f097b2fb1d9b0c2':
  With this, the BackupService onBackup method is called.