acloud: Create instance and upload local image

- Using host image to create the instance.
- upload the cvd-host-package.tar.gz and local image to instance.
- lanuch the CVD in the instance.

Bug: 112878792
Test: make dist that generate the local image
acloud create --local_image
acloud create --local_image /tmp/image_dir that for specified path
atest acloud_test

Change-Id: Ifbd80fb10b05fd45b1477d68e2472ba0f5357c93
8 files changed