This adds an experimental build script that will build crosvm for
ChromeOS. This will allow us to catch issues on the ChromeOS build of
crosvm earlier in the process.
BUG=b:226975041
TEST=./ci/kokoro/simulate.py ./ci/kokoro/build-chromeos.sh
Change-Id: I4a1d906a44191e78f4e656fe76c989bd7e1b6977
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3600764
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Dennis Kempin <denniskempin@google.com>
