Servicemanagement client update

[bobklein2]

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[codecov]

Codecov Report

Merging #2175 into dev will decrease coverage by <.01%.
The diff coverage is 90%.

@@            Coverage Diff             @@
##              dev    #2175      +/-   ##
==========================================
- Coverage   88.75%   88.75%   -0.01%     
==========================================
  Files         173      173              
  Lines       13128    13163      +35     
==========================================
+ Hits        11652    11683      +31     
- Misses       1476     1480       +4

Impacted Files	Coverage Δ
.../cloud/forseti/common/gcp_api/servicemanagement.py	94.73% <90%> (-5.27%)	⬇️

[ahoying]

Thank you Bob for getting this into Forseti!