add on device training to the packaging pipelines (#13446)
### Description
enabling on device training apis in the packaging pipelines.
### Motivation and Context
adding on device training flag so we can enable the on-device training
apis for Federated learning scenarios
Co-authored-by: Adam Louly <adamlouly@microsoft.com@orttrainingdev7.d32nl1ml4oruzj4qz3bqlggovf.px.internal.cloudapp.net>
