tree 65a23891e0f1d95e2283b7c23ee3c78abf185d4c
parent 2be2a7e5c10734170e13f993cd52854e0d7f650a
author bnc <bnc@google.com> 1584059330 -0700
committer Copybara-Service <copybara-worker@google.com> 1584059372 -0700

Use transport_version() test base class method instead of variants like
connection_->transport_versions() and GetParams().transport_version.  Change
transport_version() implementation so that it can be called at any time,
including before connection_ is initialized.

gfe-relnote: n/a (test-only change)
PiperOrigin-RevId: 300659212
Change-Id: I5cc111d045b8e744735425d0b7f9072849d4e5b8