am 824838d7: Avoid NPE when callers send null selection args.

Merge commit '824838d74eb0316f6987a1d98d2d9e9fa8d4e15b' into eclair-mr2

* commit '824838d74eb0316f6987a1d98d2d9e9fa8d4e15b':
  Avoid NPE when callers send null selection args.