Update Android.bp by running cargo_embargo am: 966174b5ab

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/idna/+/3208775

Change-Id: Ifd3e5e439185775790721327fa933ad3efe7fedd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>