* Test docker image update.
Do not review.
* Test build in a VM.
* Add project name.
* Update image type.
* Add apt-get dependencies.
* Update dependencies.
* Update gcloud packages installation.
* Update dockerfile.
* Fix errors in dockerfile.
* Fix dockerfile.
* Organize docker file to make it more readable.
Corrects uses of setup as a verb to 'set up', leaves noun/noun-phrase
forms of setup as 'setup'. Also settles on 'teardown' as opposed to
tear-down for consistency across the codebase.
A few other minor comment/wording corrections.
Have this script reviewed and committed to our repo for our future reference.
This prepares the VM used in https://github.com/flutter/engine/pull/8442
Once our Docker container is tested in GKE (after Kubernetes 1.14 is ready), I'll also upload Dockefiles and its related scripts here.