RFR: JDK-8175177 - org/omg/CORBA/OrbPropertiesTest.java changes JDK under test

[Mark Sheppard]

Hi,
   please oblige and review the following change
http://cr.openjdk.java.net/~msheppar/8175177/webrev/

for the issue reported in
https://bugs.openjdk.java.net/browse/JDK-8175177

the test now explicitly removes the orb.properties file created by the test.

regards
Mark