XS review: 8098557: Eager initialization of a super interface with a default method

[Karen Kinnear]

Please review fix for 8098557:
Summary: Initialization of a super interface with a default method should
be triggered by initialization of a dependent subclass, but not of a
dependent subinterface.

open webrev at http://cr.openjdk.java.net/~acorn/8098557/webrev
bug link at https://bugs.openjdk.java.net/browse/JDK-8098557

tests:
jprt
reported example, new test
all platforms: vm quick & non-cool
linux-x64: defmeth, SelectionResolution, jtreg hotspot, hotspot/closed, compiler, compiler/closed
           jtreg java/util, jtreg tools/javac/lambdaShapes
jtreg jdk in progress
jcks  - working on

thanks,
Karen