8189209: java/lang/invoke/lambda/LambdaAsm.java failed with "could not create proxy classes" Summary: Use an inner class for the closer instead of a lambda Reviewed-by: alanb, rriggs

^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
\.DS_Store
\.metadata/
\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt