Fix flakiness in DebouncerTest class

[mariusc83]

What does this PR do?

A brief description of the change being made with this pull request.

Motivation

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Additional Notes

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Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)

[codecov-commenter]

Codecov Report

Merging #1151 (a91ad78) into feature/sdkv2 (07c6fe9) will decrease coverage by 0.00%.
The diff coverage is 83.33%.

@@                Coverage Diff                @@
##           feature/sdkv2    #1151      +/-   ##
=================================================
- Coverage          82.38%   82.37%   -0.00%     
=================================================
  Files                350      352       +2     
  Lines              11559    11756     +197     
  Branches            1980     2006      +26     
=================================================
+ Hits                9522     9684     +162     
- Misses              1423     1452      +29     
- Partials             614      620       +6     

Impacted Files	Coverage Δ
...droid/log/internal/logger/ConditionalLogHandler.kt	33.33% <0.00%> (-66.67%)	⬇️
...og/android/log/internal/logger/LogcatLogHandler.kt	64.15% <0.00%> (-13.12%)	⬇️
.../main/kotlin/com/datadog/android/rum/RumMonitor.kt	77.08% <ø> (ø)
...atadog/android/log/internal/domain/LogGenerator.kt	60.00% <40.00%> (-20.00%)	⬇️
...datadog/android/core/internal/utils/UserInfoExt.kt	50.00% <50.00%> (ø)
...android/rum/internal/ndk/DatadogNdkCrashHandler.kt	87.19% <63.64%> (-0.12%)	⬇️
.../datadog/android/log/internal/logger/LogHandler.kt	77.78% <75.00%> (-2.22%)	⬇️
...roid/rum/internal/domain/scope/RumResourceScope.kt	95.24% <78.95%> (-1.79%)	⬇️
.../android/rum/internal/domain/scope/RumViewScope.kt	95.42% <83.67%> (-0.95%)	⬇️
...g/android/log/internal/logger/DatadogLogHandler.kt	87.95% <84.62%> (-2.96%)	⬇️
... and 31 more