Fails with core.git commit ad8f4c4432e0c5c052b6f87977d1ad8663debe09 (vcl
lok: pre-load graphic libraries, 2019-07-04) reverted, which fixed TIFF
loading in the preload case (running in a chroot, no code available in
the chroot).
Change-Id: Ic46da0abcb13c4dd6fc1ce697b93e0b3062077d7