Upgrade mls-rs-codec to 0.5.3 am: 214d7b9c75 am: 53e99719ae

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/mls-rs-codec/+/3063767

Change-Id: Iefacfeb00e8b1455dc1c7e810053854596b3ce0a
Signed-off-by: Automerger Merge Worker <[email protected]>