RFR: 8306072: Open source several AWT MouseInfo related tests [v4]

[Tejesh R]

> This open source AWT Mouse Info related tests.

Tejesh R has updated the pull request incrementally with one additional commit since the last revision:

  Updated based on review comments

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Changes:
  - all: https://git.openjdk.org/jdk/pull/13573/files
  - new: https://git.openjdk.org/jdk/pull/13573/files/9be33246..3d20f395

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13573&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13573&range=02-03

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/13573.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13573/head:pull/13573

PR: https://git.openjdk.org/jdk/pull/13573