Upgrade rust/crates/structopt-derive to 0.4.11 am: ad4a5aaeb5

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/structopt-derive/+/1435858

Change-Id: I4e7bbeacd4c3f09e5e308e4242b54e2455d4bdbe