RFR: 8306464: [testbug] CustomSecurityManagerTest full screen tests fails on MacOS intermittently [v3]

[Kevin Rushforth]

On Mon, 24 Apr 2023 05:18:48 GMT, Karthik P K <kpk at openjdk.org> wrote:

>> Usage of `getBounds()` method instead `getVisualBounds()` was giving unreliable screen bound values and color value was read very close to the edge of the window.
>> 
>> Updated the code to use `getVisualBounds()` instead of `getBounds()` and moved the coordinates inside the window from where the color value is read.
>> 
>> Ran the tests individually and along with all system tests in following systems. No failure found after the fix.
>> Mac M1 with Ventura 13.3
>> Window 11
>
> Karthik P K has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Adress review comments

Looks good.

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Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1103#pullrequestreview-1398294878