Add cargo2android.json am: 60ba3b4adc am: 21b33912ce am: ec64861b22 am: 3417ccecb1

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/data-encoding/+/2747633

Change-Id: I6db585e811123c7c99bccc8983270104f816fd1d
Signed-off-by: Automerger Merge Worker <[email protected]>