Enable WASM cross-compilation by using current_cpu correctly

Change-Id: Ia94ca8f4cc925fdee549697c074ec9b9fe2ffc8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/deps/icu/+/3587443
Reviewed-by: Frank Tang <ftang@chromium.org>
1 file changed