fixed audioPlaybackSystemNotificationTest flaky test

[sv-ohorvath]

Pull Request checklist

• Tests: This PR includes thorough tests or an explanation of why it does not
• Screenshots: This PR includes screenshots or GIFs of the changes made or an explanation of why it does not
• Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features. In addition, it includes a screenshot of a successful accessibility scan to ensure no new defects are added to the product.

After merge

• Milestone: Make sure issues finished by this pull request are added to the milestone of the version currently in development.

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[codecov-io]

Codecov Report

Merging #10649 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master   #10649   +/-   ##
=========================================
  Coverage     19.19%   19.19%           
  Complexity      599      599           
=========================================
  Files           360      360           
  Lines         14807    14807           
  Branches       2001     2001           
=========================================
  Hits           2842     2842           
  Misses        11705    11705           
  Partials        260      260           

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[mcarare]

LGTM!