RFR: 8167584: aarch32: use "arm" for os.arch system property

[Edward Nevill]

On Wed, 2016-10-12 at 11:49 +0100, Alex Kashchenko wrote:
> Hi,
> 
> Please review and sponsor small autoconf patch that changes
> "os.arch" 
> system property from "aarch32" to "arm":
> 
>   - issue: https://bugs.openjdk.java.net/browse/JDK-8167584
>   - webrev: 
> http://cr.openjdk.java.net/~akasko/aarch32/jdk8u/8167584/webrev.00/
> 

Looks fine. Presumeably this should go into jdk9 too.

I'll push this.
Ed.