Try not to output random WithIndifferentAccess notations to manifest.
Try not to output random WithIndifferentAccess notations to manifest.

[#144939015]

Signed-off-by: Ben Fickes <b4731abca9c91b532f696cfd8fd7b4282be972df@pivotal.io>

cloudfoundry-incubator/buildpack-packager,cloudfoundry/buildpack-packager