ZAP

• This Dockerfile builds https://github.com/project-chip/zap.git, which gets copied into chip-build-vscode
• ZAP is also a submodule in third_party/zap/repo. You can check the commit of ZAP used in the submodule by running git ls-tree master third_party/zap/repo | awk '{print $3}' from the repository root.