RFR: 8253905: Update sanity test suite to not place windows at (0, 0)

[Amresh Sahu]

Four files has been modified:
        modified:   
test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/dialog/DialogDemo.java
        modified:   
test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/frame/FrameDemo.java
        modified:   
test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/table/TableDemo.java
        modified:   
test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/window/WindowDemo.java

Tested on Mach5 and all tests passes.

-------------

Commit messages:
 - Update TableDemo.java
 - Update DialogDemo.java
 - Update WindowDemo.java
 - Update DialogDemo.java
 - Update TableDemo.java
 - Update WindowDemo.java
 - Update WindowDemo.java
 - Checked-in changes for JDK-8253905

Changes: https://git.openjdk.java.net/jdk/pull/625/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=625&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253905
  Stats: 4 lines in 4 files changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/625.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/625/head:pull/625

PR: https://git.openjdk.java.net/jdk/pull/625