Update Android.bp by running cargo_embargo am: 581c1a084e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/serde_spanned/+/3096087

Change-Id: I24821315f75e31f63c864532da4e618a1b4e98a1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>