Modify layerStore not to rely on lockfile.Locked()
Modify layerStore not to rely on lockfile.Locked()

Instead, have the callers of ReloadIfChanged provide the
locking state.

Signed-off-by: Miloslav Trmač <9c008e38982a5397deb855345fb164f0558459ae@redhat.com>

containers/storage,containers/storage,containers/storage