fallbackdir: Update list for 2020

[dgoulet-tor]

Closes #40061

Signed-off-by: David Goulet [email protected]

[coveralls]

Pull Request Test Coverage Report for Build 9650

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 14 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.02%) to 59.224%

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Files with Coverage Reduction	New Missed Lines	%
src/lib/arch/bytes.h	2	94.59%
src/ext/tinytest.c	12	40.59%
<!--	Total:	14

Totals
Change from base Build 9482:	-0.02%
Covered Lines:	43317
Relevant Lines:	73141

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💛 - Coveralls