Build with mls_build_async am: d353d97a3b am: 802e67bb35

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/mls-rs-codec/+/3071642

Change-Id: I1adf47d38dd64ea6803f88ef46627bc37d6b3791
Signed-off-by: Automerger Merge Worker <[email protected]>