hg: jdk/sandbox: 8192935: Fix EnumSet's SerializationProxy javadoc

[chris.hegarty at oracle.com]

Changeset: d0e8542ef650
Author:    martin
Date:      2017-12-03 13:06 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/d0e8542ef650

8192935: Fix EnumSet's SerializationProxy javadoc
Reviewed-by: smarks, rriggs

! src/java.base/share/classes/java/util/EnumSet.java
! test/jdk/java/util/EnumSet/BogusEnumSet.java