- In C++, we need a constant for the max lifetime.
- In C, make sure that we crop the lifetime in the credentials object
itself and not just later during the creation of the token. This will
allow the refresh to occur based on the actual token lifetime as opposed
to the one from the user (which may be cropped).

Python OWNERship

Enable minimal stack for insecure qps tests

Make @vjpai an owner of qps_test

Remove a stale ruby method

Modify image names to match the one in dockerhub.

Add a test of repeatedly calling grpc_init then grpc_shutdown

Add myself as owner of files in several directories

Sanitizing repo.

Few fixes for mkowners.py.

Import mutations.

Don't set the channel's state to TRANSIENT_FAILURE if we updated the LB policy.

-) Paths should all be absolute to /
-) Computing the intersection of two globs should happen with the
full path in there, not just the directory's glob.

Replace InitBenchmark with InitTest. Remove qps_test.cc

Add more run_tests_matrix.py labels to allow better sharding.

Add test tree owners for C/C++

Change ci script permission and pull from dockerhub

Use ** for OWNERS files for trees

The Tracers Become Self Aware

Partial Revert of https://github.com/grpc/grpc/pull/10743

Strawman OWNERS --> CODEOWNERS script