Move Tensorflow to a wheel, install ecosystem packages
Move Tensorflow to a wheel, install ecosystem packages

Instead of installing tensorflow directly, which is incompatible with the other packages, we'll simply provide the tensorflow TPU wheel in the image.
Also add ecosystem packages for Pytorch & JAX, and add pandas (we can add more popular packages as needed).

http://b/213335159
Kaggle/docker-python,Kaggle/docker-python