Make unicode-segmentation available to product and vendor am: 312cd17603 am: 3c5f4ce0a5 am: eb9e371b88 am: cad40385d7 Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/unicode-segmentation/+/2475806 Change-Id: I3973cdd180a6b71858b4b328f414d0dac49d71b5 Signed-off-by: Automerger Merge Worker <[email protected]>