<AWT Dev> RFR: 8163086: java/awt/Window/TranslucentJAppletTest/TranslucentJAppletTest.java fails

[Jayathirth D V]

This bug is filed because of pixel color mismatch and i suspect it to be related to wrong display color profile in macOS.
This test doesn't fail in local machine and in CI test machines in multiple runs.

Also this test was made to run in manual mode even though it doesnt need any User input. Modified the test to run as automated headful test and it runs fine.

I will file separate Verification task/bug to go through remaining manual tests and check whether they can be made automated headful tests.

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Commit messages:
 - Update copyright year
 - 8163086: java/awt/Window/TranslucentJAppletTest/TranslucentJAppletTest.java fails

Changes: https://git.openjdk.java.net/jdk/pull/3509/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3509&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8163086
  Stats: 4 lines in 2 files changed: 1 ins; 1 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3509.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3509/head:pull/3509

PR: https://git.openjdk.java.net/jdk/pull/3509