hg: openjfx/10-dev/rt: 8184996: Add single instance swing app for ant version

[victor.drozdov at oracle.com]

Changeset: c1c5088fb170
Author:    vdrozdov
Date:      2017-07-20 17:19 -0700
URL:       http://hg.openjdk.java.net/openjfx/10-dev/rt/rev/c1c5088fb170

8184996: Add single instance swing app for ant version
Reviewed-by: cbensen

+ modules/jdk.packager/src/test/examples/antsingletonapp/build.xml
+ modules/jdk.packager/src/test/examples/antsingletonapp/clean.sh
+ modules/jdk.packager/src/test/examples/antsingletonapp/package.sh
+ modules/jdk.packager/src/test/examples/antsingletonapp/src/HelloWorld.java