audio: Add support for FLAC in compress offload path

- Add new audio format for FLAC
- Add FLAC in valid formats list
- Add bitWidth in offload info

Change-Id: Ic716aff8b7cdb28b03f32f686eca33ff0beb981c
Revert "removing T3parts - BRING EM ON BACK"

This reverts commit 366343e3ba231f234f4b06aadfc781e0f8327725.