Added functionality to train models from google drive to colab/demos/train_autoencoder.ipynb. Fixes #11.
Added functionality to train models from google drive to colab/demos/train_autoencoder.ipynb. Fixes #11.

PiperOrigin-RevId: 293283697
Change-Id: I3a5528390ad17d2b0234b6f77fc4624341992f1d

magenta/ddsp,magenta/ddsp