hg: jdk9/sandbox/jdk: initial serialization implementation

[stuart.marks at oracle.com]

Changeset: 2bdeb087e6fe
Author:    smarks
Date:      2015-08-27 19:51 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/2bdeb087e6fe

initial serialization implementation

! src/java.base/share/classes/java/util/UnmodifiableCollections.java
! test/java/util/Collection/MOAT.java
! test/java/util/Collection/SetFactories.java
! test/java/util/List/ListFactories.java
! test/java/util/Map/MapFactories.java