RFR 8043406: Change default policy for JCE providers to run with as few privileges,as possible

[Valerie Peng]

Sean,

Not sure if you can get to reviewing this before your vacation.
If not, I will find someone else to help...

Webrev: http://cr.openjdk.java.net/~valeriep/8043406/webrev.00/

Thanks,
Valerie