Make visibility_hidden configuration only pass -fvisibility=hidden on Linux/Android/MacOS

Change-Id: Idc89b8c29d59d03757ae82a3448403031264ef29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/deps/icu/+/2250687
Reviewed-by: Frank Tang <ftang@chromium.org>
1 file changed