hg: jdk9/sandbox/jdk: 8075618: Create tests to check jarsigner work with multi-version jar

[chris.hegarty at oracle.com]

Changeset: 1891394f1344
Author:    amjiang
Date:      2016-12-19 12:47 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/1891394f1344

8075618: Create tests to check jarsigner work with multi-version jar
Reviewed-by: weijun

+ test/sun/security/tools/jarsigner/multiRelease/MVJarSigningTest.java
+ test/sun/security/tools/jarsigner/multiRelease/SignedJar.policy
+ test/sun/security/tools/jarsigner/multiRelease/jarContent/base/version/Main.java
+ test/sun/security/tools/jarsigner/multiRelease/jarContent/base/version/Version.java
+ test/sun/security/tools/jarsigner/multiRelease/jarContent/v10/version/Version.java
+ test/sun/security/tools/jarsigner/multiRelease/jarContent/v9/version/Version.java