- Use vpython to call crovm tooling (This provides a predictable python
environment and allow us to use argh).
- Add build_context() to provide a simple API that readies source and
container.
- Nest preparation steps to reduce noise on builder page.
BUG=b:233913643
TEST=recipes.py test run
Change-Id: I6800e55f7311b32c6ef61918d13795af1fb3b588
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3674217
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Anton Romanov <romanton@google.com>
