Cleanup and remove ios cpp test cronet
To test manually:
./tools/bazel test //src/objective-c/tests:CppCronetTests
@sampajano
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* remove remains of grpc_csharp_ext artifact build completely
* add back part of C# distribtests
* redirect C# linux distribtests
* comment out some distribtests
* switch updateversion to Grpc.tools
* fix .proto
* fix distribtest complile
* temporarily comment out service in .proto
* cleanup
* improvements
* reenable mac distribtests
* fixes
* unit tests with bazel
* passing via --test_env from bazel command line
* remove env from BUILD; fix sanity check in run_one_test_bazel.sh
* add port server
* add release version of grpc_distribtests_* jobs .cfg files
* make grpc_distribtests_ruby more aligned with other single-job distribtests
* dont hide packages from build_artifacts step for python an php
* objC bazel test: run InteropTests and MacTests
* objC bazel test: run TvTests
* Revert "objC bazel test: run TvTests"
This reverts commit 46a81991a9.
* avoid running flaky objC InteropTests under bazel
* add TODOs for objc run_tests.py tasks
* add a note about GRPC_VERBOSITY=debug being set
* increase timeout for ios-buildtest-example-tvOS-sample test task
* support "move and respawn" for kokoro jobs
* delete_nonartifacts.sh no longer needed
* bazel distribtest dont publish any artifacts
* try the altsrc respawn for selected jobs
* use altsrc for all windows CI jobs
* use altsrc for all macos CI jobs
* only move files under src/github
* fix uploading artifacts on windows
* Run 2to3 on tools directory
* Delete github_stats_tracking
* Re-run 2to3
* Remove unused script
* Remove unused script
* Remove unused line count utility
* Yapf. Isort
* Remove accidentally included file
* Migrate tools/distrib directory to python 3
* Remove unnecessary shebang
* Restore line_count directory
* Immediately convert subprocess.check_output output to string
* Take care of Python 2 shebangs
* Invoke scripts using a Python 3 interpreter
* Yapf. Isort
* Try installing Python 3 first
* See if we have any Python 3 versions installed
* Add Python 3.7 to Windows path
* Try adding a symlink
* Try to symlink differently
* Install six for Python 3
* Run run_interop_tests with python 3
* Try installing six in python3.7 explicitly
* Revert "Try installing six in python3.7 explicitly"
This reverts commit 2cf60d72f3.
* And debug some more
* Fix issue with jobset.py
* Add debug for CI failure
* Revert microbenchmark changes