For #1298: Fixes issue with Adjust campaign not sending through Glean

[sblatz]

Pull Request checklist

• Quality: This PR builds and passes detekt/ktlint checks (A pre-push hook is recommended)
• 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

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 #5896 into master will decrease coverage by 0.13%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master    #5896      +/-   ##
============================================
- Coverage     14.49%   14.35%   -0.14%     
+ Complexity      323      320       -3     
============================================
  Files           272      257      -15     
  Lines         11039    10603     -436     
  Branches       1593     1550      -43     
============================================
- Hits           1600     1522      -78     
+ Misses         9311     8955     -356     
+ Partials        128      126       -2

Impacted Files	Coverage Δ	Complexity Δ
...a/fenix/components/metrics/AdjustMetricsService.kt	3.57% <0%> (+0.12%)	1 <0> (ø)	⬇️
...main/java/org/mozilla/fenix/components/UseCases.kt	0% <0%> (-90%)	0% <0%> (-1%)
app/src/main/java/org/mozilla/fenix/ext/Session.kt	11.11% <0%> (-79.8%)	0% <0%> (ø)
...rc/main/java/org/mozilla/fenix/ext/BookmarkNode.kt	0% <0%> (-50%)	0% <0%> (ø)
...lla/fenix/customtabs/ExternalAppBrowserActivity.kt	8.69% <0%> (-29.77%)	2% <0%> (-2%)
...pp/src/main/java/org/mozilla/fenix/ext/Fragment.kt	60% <0%> (-20%)	0% <0%> (ø)
...src/main/java/org/mozilla/fenix/components/Core.kt	0% <0%> (-18.06%)	0% <0%> (-1%)
...ava/org/mozilla/fenix/browser/UriOpenedObserver.kt	47.05% <0%> (-12.04%)	3% <0%> (ø)
...n/java/org/mozilla/fenix/IntentReceiverActivity.kt	29.16% <0%> (-10.37%)	4% <0%> (ø)
...g/mozilla/fenix/components/TabCollectionStorage.kt	0% <0%> (-10%)	0% <0%> (-1%)
... and 86 more

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