TensorFlow I/O 0.7.2

Release 0.7.2

Major Features

• tensorflow_io.bigquery: Fixes for Google Cloud BigQuery for Tensorflow 1.14

Thanks to our Contributors

This release contains contributions from many people:

Aleksey Vlasenko, Anton Dmitriev, Bryan Cutler, Damien Pontifex, Ivelin Ivanov,
Jiacheng Xu, Misha Brukman, Russell Power, Yong Tang, Yuan Tang, zhjunqin

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.