hg: jdk/jdk: 8210055: Enable different look and feel tests in SwingSet3 demo tests

[alexandre.iline at oracle.com]

Changeset: 26c3104c936d
Author:    akolarkunnu
Date:      2018-10-05 05:03 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/26c3104c936d

8210055: Enable different look and feel tests in SwingSet3 demo tests
Reviewed-by: serb
Contributed-by: abdul.kolarkunnu at oracle.com

! test/jdk/sanity/client/SwingSet/src/DialogDemoTest.java
! test/jdk/sanity/client/SwingSet/src/SwingSet2DemoTest.java
! test/jdk/sanity/client/SwingSet/src/WindowDemoTest.java
! test/jdk/sanity/client/lib/Extensions/src/org/jemmy2ext/JemmyExt.java
! test/jdk/sanity/client/lib/SwingSet2/src/SwingSet2.java