Fix potential NPE when saving fragment state.

If a fragment's saved view state is null and the user
visible hint is true then the `result` bundle will have
never been initialized to a value resulting in a
`NullPointerException`.

Change-Id: I8ba585bc6b9298841490d64bc22a8219cd261adb
1 file changed
tree: a5a1189b873b03c5ed841442711887e611e3acb7
  1. v13/
  2. v4/