PR #32215 added the verified root cert subject to the lower level
`tsi_peer`. This PR is a companion to that and completes the feature by
bubbling the information up to the `TsiCustomVerificationCheckRequest`
which is part of the user facing API for implementing custom
verification callbacks.
* [end2end] Split up h2_tls fixture
This fixture has been timing out frequently, but is actually four fixtures in one.
Let's split it up, and:
1. gain parallelism when testing
2. isolate what's failing better and gather some data so we can fix it
* Automated change: Fix sanity tests
* fix
Co-authored-by: ctiller <ctiller@users.noreply.github.com>
* Tooling to remove redundant grpc_core:: namespaces
These references tend to show up in our C++ code after C modules get
converted. Many get caught in review, many get missed.
* use it
* clang-format
Gregory Cooke