[llvm] [ARM][AArch64] Move TestInputs to Inputs (PR #164633)

[Aaron Ballman via llvm-commits]

AaronBallman wrote:

I don't think this PR actually caused the issue found by the bots (at least, I don't see how it could), but the bot issue is real and impacting precommit CI: https://github.com/llvm/llvm-project/pull/162662#issuecomment-3437720280

CC @lhames as the ORC expert to make sure we get eyeballs on this.

https://github.com/llvm/llvm-project/pull/164633