RFR [9] 8166568 & 8169492 jmod extract and bug fix

[Mandy Chung]

> On Dec 8, 2016, at 5:09 AM, Chris Hegarty <chris.hegarty at oracle.com> wrote:
> 
> 
> Updated webrev contain a target destination dir:
>  http://cr.openjdk.java.net/~chegar/8166568_8169492.01/
> 

Looks fine (including the separate patch to JmodTest.java).

Mandy