Make unicode-width available to product and vendor am: 3233e4da66 am: 76ff8ba1b4 am: c6c1458a2a am: ebb167519e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/unicode-width/+/2475807

Change-Id: I769342913c47291fb1a34745969b95ed64c81aa3
Signed-off-by: Automerger Merge Worker <[email protected]>