Pass `train_state` to `update_params` #271

Job	Run time
build_and_push_jax_docker_image	1s
build_and_push_pytorch_docker_image	1s
fastmri_jax	0s
criteo_pytorch	0s
fastmri_pytorch	0s
imagenet_resnet_pytorch	0s
imagenet_vit_pytorch	0s
imagenet_vit_jax	0s
librispeech_conformer_pytorch	0s
librispeech_deepspeech_pytorch	0s
ogbg_pytorch	0s
wmt_pytorch	0s
criteo_jax	0s
imagenet_resnet_jax	0s
librispeech_conformer_jax	0s
librispeech_deepspeech_jax	0s
ogbg_jax	0s
wmt_jax	0s
	2s

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