AC:

• Collect scons metrics according to https://docs.google.com/document/d/1_1BwLfERq4mls6RDI8AytPpMWQUK92b-Q1KEQErNPxc/edit#
• Evergreen task which ensures that scons works if metrics collection service is available & unavailable
• Evergreen task to ensure this works with zsh and bash
• Evergreen task which ensures no performance regression