RFR: 8022749: Convert junit tests to testng in test/java/lang/invoke

[Henry Jen]

Hi,

Please review a webrev contributed by Mani Sarkar that converts junit
tests in test/java/lang/invoke to testng.

http://cr.openjdk.java.net/~henryjen/tl/8022749/0/webrev/

Cheers,
Henry