Create no_std builds of ciborium and dependencies am: 8cd9cd1468

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/rust/crates/half/+/23106477

Change-Id: Ieb0fa038810f412ad692648d6421f5192bd5a19b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>