Lhotse dataloading: RIR augmentation and nemo/tarred input support for RIR and noise aug

[pzelasko]

What does this PR do ?

Extensions in Lhotse dataloading augmentations:

• RIR augmentation support (currently requires lhotse RecordingSet input, see e.g. https://github.com/lhotse-speech/lhotse/blob/master/lhotse/recipes/rir_noise.py )
• Broader input type support for noise augmentation.
  • When a path is provided, it auto-detects
    • YAML input spec (.yaml)
    • lhotse non-tarred CutSet (.jsonl/.jsonl.gz)
    • NeMo non-tarred manifest (any other extension)
  • Also possible to provide a dict with the same keys as used for specifying the main training data, e.g.:

noise_path:
  manifest_filepath: my_noises/manifest__OP_0..4_CL_.json
  tarred_audio_filepaths: my_noises/audio__OP_0..4_CL_.tar

Collection: ASR

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