RFR: JDK-8299052: ViewportOverlapping test fails intermittently on Win10 & Win11 [v2]

[Harshitha Onkar]

> ViewportOverlapping was failing intermittently on Windows (Win10 & 11). Added robot.setAutoWaitForIdle() to ViewportOverlapping and its base class (OverlappingTestBase) to stabilize the test.
> 
> Additionally added awt & swings tests to exclusiveAccess.dir in TEST.ROOT.

Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:

  reverted TEST.ROOT changes

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Changes:
  - all: https://git.openjdk.org/jdk/pull/11747/files
  - new: https://git.openjdk.org/jdk/pull/11747/files/ee4d0762..a5a23745

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11747&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11747&range=00-01

  Stats: 3 lines in 1 file changed: 0 ins; 2 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/11747.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11747/head:pull/11747

PR: https://git.openjdk.org/jdk/pull/11747