RFR JDK-8167957: Remove FilePermission from default policy for jdk.charsets module

[Mandy Chung]

> On Oct 13, 2016, at 2:03 PM, Xueming Shen <xueming.shen at oracle.com> wrote:
> 
> Hi
> 
> Please help  review the change for JDK-8167957
> 
> issue: https://bugs.openjdk.java.net/browse/JDK-8167957
> webrev: http://cr.openjdk.java.net/~sherman/8167957/webrev

The change looks fine.  Is there any existing test running with security manager to verify this?

Mandy