Use cp/system-classpath for java > 8 since we are switching to 11+

[devth]

No description provided.

[codecov]

Codecov Report

Merging #118 into master will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #118      +/-   ##
==========================================
+ Coverage   43.60%   43.61%   +0.01%     
==========================================
  Files          90       90              
  Lines        3626     3627       +1     
  Branches      167      167              
==========================================
+ Hits         1581     1582       +1     
  Misses       1878     1878              
  Partials      167      167              

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