Revert "check_elf_file: Remove skip-bad-elf-magic"

This reverts commit 323e17f7.

Reason for revert: Likely culprit for b/430859728 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.

Bug: 430859728
Change-Id: Ifff19743cbc796f05f4925efd1903590445fa550