RFR: 8286624: Regression Test CoordinateTruncationBug.java fails on OL8.3 [v2]

[Phil Race]

> This was a closed test - simply because it hadn't been reviewed for moving to open
> so I am doing it now whilst fixing a problem that was observed on the OL 8.x (and
> by implication an RHEL 8.x) desktop due to the screen menu bar rendering over one
> line of the undecorated window.
> That was fixed by changing the location to use setLocationRelativeTo(null) vs
> the previous implied (0,0)

Phil Race has updated the pull request incrementally with one additional commit since the last revision:

  8286624

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/11120/files
  - new: https://git.openjdk.org/jdk/pull/11120/files/41753a1a..ef7287be

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11120&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11120&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/11120.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11120/head:pull/11120

PR: https://git.openjdk.org/jdk/pull/11120