Cherry-pick from master: Adjust debug adapter experiment names

[karthiknadig]

No description provided.

[codecov-io]

Codecov Report

Merging #8553 into release-2019.11 will decrease coverage by 0.66%.
The diff coverage is 100%.

@@                Coverage Diff                 @@
##           release-2019.11   #8553      +/-   ##
==================================================
- Coverage            59.47%   58.8%   -0.67%     
==================================================
  Files                  509     509              
  Lines                23397   23027     -370     
  Branches              3780    3775       -5     
==================================================
- Hits                 13916   13542     -374     
- Misses                8576    8580       +4     
  Partials               905     905

Impacted Files	Coverage Δ
src/client/common/experimentGroups.ts	100% <100%> (ø)	⬆️
...nt/datascience/jupyter/invalidNotebookFileError.ts	0% <0%> (-75%)	⬇️
.../client/datascience/jupyter/jupyterConnectError.ts	0% <0%> (-66.67%)	⬇️
...science/jupyter/jupyterKernelPromiseFailedError.ts	0% <0%> (-50%)	⬇️
...ent/datascience/jupyter/jupyterWaitForIdleError.ts	0% <0%> (-50%)	⬇️
...cience/jupyter/jupyterDebuggerNotInstalledError.ts	50% <0%> (-30%)	⬇️
src/client/language/characters.ts	12% <0%> (-21.34%)	⬇️
src/client/datascience/cellFactory.ts	51.51% <0%> (-19%)	⬇️
src/client/testing/codeLenses/main.ts	60% <0%> (-17.78%)	⬇️
src/client/constants.ts	75% <0%> (-5%)	⬇️
... and 29 more

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