Fall back to distutils.core.setup for swri_cli_tools setup.py

[rjb0026]

For reference, the error on the build farm: https://build.ros.org/job/Mbin_ubv8_uBv8__swri_cli_tools__ubuntu_bionic_arm64__binary/20/console

@danthony06 Can you review this?

[danthony06]

Yeah, I'll work on this tomorrow.