rust/minijail: Allow more flexible args than `&Path` am: 96cd7ccaa9 am: 42bf660f35 am: 15b8128a12

Original change: https://android-review.googlesource.com/c/platform/external/minijail/+/1671673

Change-Id: Ibc6d2a90c4eab69c27a1d4e72749a03687d9fdc9