/usr/lib/linux-tools/4.15.0-1012-oem/acpidbg is in linux-tools-4.15.0-1012-oem 4.15.0-1012.15.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/linux-tools/4.15.0-1012-oem/../../linux-oem-tools-4.15.0-1012/acpidbg