8202052: Disable warnings when building libawt with VS2017
Reviewed-by: erikj, prr
hello
hello
hello
TypeError:1:read property "foo" from undefined
TypeError:1:read property "foo" from undefined
TypeError:1:read property "foo" from undefined
TypeError:1:read property "foo" from undefined
TypeError:1:read property "foo" from undefined
TypeError:1:read property "foo" from undefined