Merge "Upgrade rust/crates/unicode-width to 0.1.8" am: 1793886e7e am: d6e175df62 am: abc255adf0 am: 1bfc56b06d

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/unicode-width/+/1414097

Change-Id: I076fd626bbad3846ac6f92d2d1670e5d6eb60cc4