hg: amber/amber: manual merge with default branch

[vicente.romero at oracle.com]

Changeset: 26bd8514b226
Author:    vromero
Date:      2017-12-21 18:01 -0500
URL:       http://hg.openjdk.java.net/amber/amber/rev/26bd8514b226

manual merge with default branch

- src/java.base/share/classes/java/util/ArraysSupport.java
- src/java.base/share/native/include/classfile_constants.h
! src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties
! test/langtools/TEST.ROOT