Include Go version of Bazelisk in Docker images. (#505)
Include Go version of Bazelisk in Docker images. (#505)

The Go implementation is more powerful than the Python version that we used to ship.
bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration,bazelbuild/continuous-integration