am 90d8a6a4: Merge change 25628 into eclair

Merge commit '90d8a6a449dc12fea2b56b557c243e33746d914a' into eclair-plus-aosp

* commit '90d8a6a449dc12fea2b56b557c243e33746d914a':
  Inefficient but correct fix for 2122381: call finishBackup after every performBackup