Revert "Remove fsverity_init"

Revert submission 2662658-fsverity-init-cleanup

Reason for revert: Culprit for test breakage b/293232766

Reverted changes: /q/submissionid:2662658-fsverity-init-cleanup

Change-Id: Ib29f082e5a48cacc726a5228029ec3a1b6561cb1
3 files changed