hg: jdk/sandbox: 8066619: Fix deprecation warnings in java.util.jar

[chris.hegarty at oracle.com]

Changeset: 33a51275fee0
Author:    rriggs
Date:      2018-12-21 09:54 -0500
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/33a51275fee0

8066619: Fix deprecation warnings in java.util.jar
Reviewed-by: rriggs, lancea
Contributed-by: philipp.kunz at paratix.ch

! src/java.base/share/classes/java/util/jar/Attributes.java
! src/java.base/share/classes/java/util/jar/Manifest.java
+ test/jdk/java/util/jar/Attributes/NullAndEmptyKeysAndValues.java
+ test/jdk/java/util/jar/Manifest/ValueUtf8Coding.java
+ test/jdk/java/util/jar/Manifest/WriteBinaryStructure.java