The #ifdef block that would stop ARM cross-compilation on Windows
has been outdated for a few years now, as getting the target CPU features via TargetCPUFeatures is now handled appropriately on Windows.
TEST=ci, actual test depends on upload so will be in a followup CL
Issue: https://github.com/dart-lang/sdk/issues/28617
Change-Id: I9907145ec8fb97007769276cb3c6c2442ac9e17c
Cq-Include-Trybots: luci.dart.try:pkg-linux-release-arm64-try,pkg-linux-release-try,pkg-mac-release-arm64-try,pkg-mac-release-try,pkg-win-release-arm64-try,pkg-win-release-try,dart-sdk-linux-riscv64-try,dart-sdk-linux-arm64-try,dart-sdk-linux-try,dart-sdk-mac-try,dart-sdk-win-arm64-try,dart-sdk-win-try,dart-sdk-mac-arm64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/440224
Commit-Queue: Tess Strickland <sstrickl@google.com>
Reviewed-by: Ivan Inozemtsev <iinozemtsev@google.com>
Tess Strickland
475122269b