Fixes manifest array indentation style
Fixes manifest array indentation style

Array entries should be indented from their parent

[#104248646](https://www.pivotaltracker.com/story/show/104248646)

Signed-off-by: Edwin Xie <6bc24e9c160281972837d9e13287696d26612564@pivotal.io>

cloudfoundry-incubator/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release