Add cargo2android.json am: bb5309bcab am: 1848a87588

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pest/+/2746999

Change-Id: If8b641852406aa8c24647c47261826fbd3d99015
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>