Ensure ErrStoreResourceNotFound returned for nonexistent LRP
Ensure ErrStoreResourceNotFound returned for nonexistent LRP

[#86238610]

Signed-off-by: Atul Kshirsagar <80db663a825ead6639a4b6bb3a323b92d8ba5f9a@gmail.com>

cloudfoundry-incubator/runtime-schema