am da9a22bc: Save/restore the picture in a background thread.

Merge commit 'da9a22bc5cfd87d80d5afa53fa8c1d29b0407a07' into froyo-plus-aosp

* commit 'da9a22bc5cfd87d80d5afa53fa8c1d29b0407a07':
  Save/restore the picture in a background thread.