Upgrade rust/crates/structopt to 0.3.22 am: 108a00fc51 am: e3b7557ae7 am: e18c60ecfa

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/structopt/+/1791038

Change-Id: I035e110c5e192f7bdb5a5a2bcabbe58b8596edf5