Use new no-std flag to cargo2android. am: 848421d1f0

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/ciborium-io/+/2584580

Change-Id: I7d3fa61a4bba6d59563067937f5ce96d2ff1c22e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>