RFR: 8317288: [macos] java/awt/Window/Grab/GrabTest.java: Press on the outside area didn't cause ungrab [v2]

[Alisen Chung]

> Added delays to stabilize test, test passes 50 times consecutively

Alisen Chung has updated the pull request incrementally with two additional commits since the last revision:

 - updated test
 - updated test

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/16867/files
  - new: https://git.openjdk.org/jdk/pull/16867/files/f6a09ce3..3ab65e5b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16867&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16867&range=00-01

  Stats: 45 lines in 1 file changed: 4 ins; 13 del; 28 mod
  Patch: https://git.openjdk.org/jdk/pull/16867.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16867/head:pull/16867

PR: https://git.openjdk.org/jdk/pull/16867