Add note to docs about use of privileged flag and consequent changes in parent class loader.
Add note to docs about use of privileged flag and consequent changes in parent class loader.

git-svn-id: 79cef5a5a257cc9dbe40a45ac190115b4780e2d0@605339 13f79535-47bb-0310-9956-ffa450edef68

Nickname0806/Test_Q4,apache/tomcat,apache/tomcat,Nickname0806/Test_Q4,apache/tomcat,Nickname0806/Test_Q4,apache/tomcat,apache/tomcat,Nickname0806/Test_Q4