
Add a new option(base-image) to support custom base image In default, the base-image is equal to base. When using custom image, please use command line like: ./tool/build.py --base-image my-image --base centos --base-tag 0.1 DocImpact Closes-Bug: #1573544 Change-Id: If4b9c57a2b68f6f06d3e981f30b2173064e02193