Use parallel>matrix operator for instrumented tests on different Android API versions

[0xnm]

What does this PR do?

This change reduces the number of job declarations for the Gitlab CI by using parallel>matrix operator.

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)

[ambushwork]

Great job!

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.78%. Comparing base (dc4ab79) to head (3bc35b4).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2717      +/-   ##
===========================================
- Coverage    69.85%   69.78%   -0.06%     
===========================================
  Files          823      823              
  Lines        30626    30626              
  Branches      5157     5157              
===========================================
- Hits         21391    21372      -19     
- Misses        7785     7800      +15     
- Partials      1450     1454       +4     

see 37 files with indirect coverage changes

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