RFR: 8314064: Enable building JavaFX on native Windows AArch64 (ARM64)

[Martin Fox]

This PR enables building for 64-bit ARM on Windows ARM machines. Tested on a Windows 11 ARM virtual machine running under Parallels on an Apple Silicon Mac. The ARM version of JDK 17 was provided by Microsoft.

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Commit messages:
 - Can now build for ARM64 on Windows ARM machine

Changes: https://git.openjdk.org/jfx/pull/1208/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1208&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8314064
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jfx/pull/1208.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1208/head:pull/1208

PR: https://git.openjdk.org/jfx/pull/1208