am d8c92edf: Merge "[do not auto-merge] Check that Activity is still active after AsyncTask." into gingerbread

Merge commit 'd8c92edf87069f736f0caab107b9c0838fa10c8c' into gingerbread-plus-aosp

* commit 'd8c92edf87069f736f0caab107b9c0838fa10c8c':
  [do not auto-merge] Check that Activity is still active after AsyncTask.