Merge "Attempt to run mkbootimg_test as part of unit tests CI" am: 45e0eea0dc am: d19d0b9dae am: 6329cde2af am: 0691fd1fef am: 768504755e

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

Change-Id: Ie053307f1467554c75c2dd7f9f351d6c7b4af3f8