S lambda reflection code review please

[Karen Kinnear]

Please review:

http://cr.openjdk.java.net/~acorn/8010017/webrev/
buglink:
https://jbs.oracle.com/bugs/browse/JDK-8010017

Tests run: (linux-x86)
manual test for default methods (public concrete instance methods in interfaces), synthetic private and synthetic static methods
   - more extensive stress tests in development which will be added to the test suites
vm.quick.testlist
jtreg java.lang.reflect, closed.java.lang.reflect

thanks,
Karen