RFR: 8252684: Move the AArch64 assember test under test/hotspot/gtest [v2]

[David Holmes]

On Sat, 28 Nov 2020 22:08:11 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Marked as reviewed by aph (Reviewer).
>
> This has broken all the regular x86 Windows builds! Please fix or backout immediately!

IIUC given:
#ifdef AARCH64
#include "precompiled.hpp"
VS will ignore the ifdef as it appears before the precompiled header include.

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PR: https://git.openjdk.java.net/jdk/pull/1476