Allow OOMtimizer tokenizer point towards just parent directory
This issue is stale because it has been open for 30 days with no activity. Remove stale label or comment or this will be closed in 7 days. This issue is stale because it has been open for 30 days with no activity. Remove stale label or comment or this will be closed in 7 days. This issue was closed because it has been inactive for 7 days since being marked as stale.
**Is your feature request related to a problem? Please describe.**

oomptimizer requires directly passing the `tokenizer.model` file. This is inconsistent with tokenizer behavior for other ASR modules (we just pass the directory). Probably better to change just to keep consistent.


