Add cargo2android.json am: c8eefc3fb6

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pest_derive/+/2747216

Change-Id: I1486e9d81db1cd9505b271de2412f65b0a0af629
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>