[release-1.11] Fixed composite prober logic

[knative-prow-robot]

This is an automated cherry-pick of #3273

fixed the prober logic for addresses which could be http or https

[Cali0707]

/cc @matzew @creydr

[codecov]

Codecov Report

Merging #3278 (eac089f) into release-1.11 (fa29029) will increase coverage by 21.61%.
The diff coverage is n/a.

@@                 Coverage Diff                 @@
##             release-1.11    #3278       +/-   ##
===================================================
+ Coverage           58.52%   80.14%   +21.61%     
- Complexity              0      774      +774     
===================================================
  Files                  91       79       -12     
  Lines                9157     2800     -6357     
  Branches                0      250      +250     
===================================================
- Hits                 5359     2244     -3115     
+ Misses               3377      400     -2977     
+ Partials              421      156      -265     

Flag	Coverage Δ
java-unittests	80.14% <ø> (?)

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see 170 files with indirect coverage changes

[Cali0707]

/retest-required

[matzew]

/lgtm
/approve

[knative-prow]

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