hg: jigsaw/jake/langtools: fix test and update problem list

[jonathan.gibbons at oracle.com]

Changeset: 2cd6834696ec
Author:    jjg
Date:      2016-02-19 18:07 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/langtools/rev/2cd6834696ec

fix test and update problem list

! src/java.compiler/share/classes/javax/tools/StandardLocation.java
! test/ProblemList.jake.txt
! test/tools/javac/api/T6397104.java