Use ASCII progress bars in debug mode

Review Request #10100 — Created July 24, 2018 and updated

brennie
RBTools
master
9921
98dfba9...
rbtools

TQDM by default will use Unicode drawing characters if the terminal
supports it. However, when we don't need this in a debug setting and
avoid using these as they may be submitted as part of a bug report and
may not render correctly.

Ran the commands that use tqdm in --debug mode and saw ASCII bars.

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