RFR: 8292588: [macos] Multiscreen/MultiScreenLocationTest/MultiScreenLocationTest.java: Robot.mouseMove test failed on Screen #0 [v3]

[Alisen Chung]

> Fixed test bug where mouse location was being calculated before robot mouseMove operation was complete

Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:

  added debug statements

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Changes:
  - all: https://git.openjdk.org/jdk/pull/10363/files
  - new: https://git.openjdk.org/jdk/pull/10363/files/281589c2..4c8b373a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10363&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10363&range=01-02

  Stats: 15 lines in 2 files changed: 12 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/10363.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10363/head:pull/10363

PR: https://git.openjdk.org/jdk/pull/10363