@Override
  public void cleanup() {
    if (mCurrentTestRunId.equals(mPreviousTestRunId)) {
      // AlbumImpl instance was recreated because of ORCHESTRATOR
      return;
    }
    if (!mDir.exists()) {
      // We probably failed to even create it, so nothing to clean up
      return;
    }
    // NULLSAFE_FIXME[Nullable Dereference]
    for (String s : mDir.list()) {
      new File(mDir, s).delete();
    }
  }
Delete all screenshots associated with this album
core/src/main/java/com/facebook/testing/screenshot/internal/AlbumImpl.java