node-api: treat V8 platform symbols same as base
Export V8 platform symbols in the Node shared library build, in the same way as with V8 base, to allow linking on Windows.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Export V8 platform symbols in the Node shared library build, in the same way as with V8 base, to allow linking on Windows.