Cleanup libmkbootimg_abi_check am: f5c284e899 am: 910c9b699c

Original change: https://android-review.googlesource.com/c/platform/system/tools/mkbootimg/+/3018903

Change-Id: Ifa722db112ae67474e8d5298e8720385726de6f2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>