Compiler support for private interface methods.

[Srikanth]

Greetings,

The javac compiler team is pleased announce the availability of compiler 
support for private
methods in interfaces beginning with 9 b54 build of JDK.

JBS: https://bugs.openjdk.java.net/browse/JDK-8071453,
HG: http://hg.openjdk.java.net/jdk9/dev/langtools/rev/592d64800143
Binary distro: https://jdk9.java.net/download/

We invite you to start using feature and to notify us of any defects through
the standard channels.

Thanks!
Srikanth