kleaf: integration test: fix type hints.

Fixes: 9416dd9ad0a8d8c883563666e7d304b336e824e3
  ("kleaf: integration test adds --mount-spec")
Fixes: 4a4040353d1a3b1e9f6dea7da61049111e64c650
  ("kleaf: integration test adds --link-spec.")

Bug: 338263410
Test: TH
Change-Id: I8b9bcd5952e464af53f715b10e6e5700528aaf0e
1 file changed