* Initial GCF distribtest
* Tenatively hook up to CI
* Try again
* Allow dev0 artifacts
* Fix invocation path
* Update gcloud
* Add a 3.8 artifact for presubmits
* And 3.9 too
* Put test files back to normal
* Formatting/linting
* Copyright
* That copyright script doesn't work with shebangs
* Review comments
* Try to create latest-manylinux label
* Accidentally a letter
* Add Python 3.7 manylinux 2014 to presubmit
* Revert CI config file used for test
* Review comments
* Yapf
* Re-add presubmit wheel
* Review comments