[8u20] Request approval: JDK-8030855: Default methods should be visible under source previous to 8

[Vicente-Arturo Romero-Zaldivar]

Hello,

Please approve the  bug: 
https://bugs.openjdk.java.net/browse/JDK-8030856 
<https://bugs.openjdk.java.net/browse/JDK-8030856>
back-port of: https://bugs.openjdk.java.net/browse/JDK-8030855
patch is at: http://hg.openjdk.java.net/jdk9/dev/langtools/rev/997092ef35e3
applies cleanly to: http://hg.openjdk.java.net/jdk8u/jdk8u-dev/langtools

Thanks,

Vicente