Add AArch64 support to the premerge tests (#155274)
The tests are configured to always report a passing result temporarily
until we are confident that they are stable.
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Co-authored-by: ultimateforce21 <abdullahmohammad155@gmail.com>
Co-authored-by: David Spickett <david.spickett@linaro.org>
Co-authored-by: Louis Dionne <ldionne.2@gmail.com>
