Update Android.bp by running cargo_embargo am: 40b1ad7d04

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/protobuf-json-mapping/+/3093436

Change-Id: Ie434622d698b1cab3a195ef9b9738ea619a9210e
Signed-off-by: Automerger Merge Worker <[email protected]>