Merge "Allow expedited jobs to be persisted."

            if (isPeriodic) {

                throw new IllegalArgumentException("An expedited job cannot be periodic");

            }

            if (isPersisted) {

                throw new IllegalArgumentException("An expedited job cannot be persisted");

            }

            if (constraintFlags != 0 || (flags & ~FLAG_EXPEDITED) != 0) {

                throw new IllegalArgumentException(

                        "An expedited job can only have network constraints");