Merge "Attempt to run mkbootimg_test as part of unit tests CI" am: 45e0eea0dc am: d19d0b9dae

Original change: https://android-review.googlesource.com/c/platform/system/tools/mkbootimg/+/1664783

Change-Id: I66e35aec840f3304a10d493590abf6b423abf742