Add --dev flag to mach build commands
Add --dev flag to mach build commands

servo/saltfs,rwaweber/saltfs,UK992/saltfs,setupminimal/saltfs,rwaweber/saltfs,servo/saltfs,UK992/saltfs,setupminimal/saltfs,UK992/saltfs,setupminimal/saltfs,rwaweber/saltfs,ALikhachev/saltfs,ALikhachev/saltfs,ALikhachev/saltfs