Follow on to #92460 (reporting old android builds failing) and #98264
(powerpc failing to discover gtests).
Getting back to stability by getting back down to a very basic set of
supported arches and OS's. In the future if there is demand we can build
it back up. Especially when I understand how to test these systems, or
have people who want to do the work on them.
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Co-authored-by: David Trevelyan <david.trevelyan@gmail.com>
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