libavb_rs: turn on linting am: fead2a894f am: c577354253 am: 0ccf857b7b

Original change: https://android-review.googlesource.com/c/platform/external/avb/+/2853571

Change-Id: I5a9767b5f96035dfca531f1355a866fa899f8750
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>