Review request: 8047387: Generate different version of java.policy file for windows 32-bit and 64-bit

[Tim Bell]

Hi Mandy:

> The jar files for access bridge are different on windows-i586 and
> windows-amd64.  Need to be able to generate different version of
> java.policy for windows-i586 and windows-amd64 JDK.
>
> This patch copies different copy according to its target OS/CPU.
>
> Webrev at:
> http://cr.openjdk.java.net/~mchung/jdk9/webrevs/8047387/webrev.00/

Looks good to me.

Tim