test.proto: Add blocklist field to request.

We'd prefer to use more inclusive terms, but backwards compatibility
requires it to stay for now. Add blocklist field to start the
countdown for when we can switch it painlessly.

BUG=None
TEST=./generate.sh

Change-Id: I0ce204b0c5fcdbb468c26635311a87c160a0730b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2426695
Auto-Submit: Alex Klein <saklein@chromium.org>
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Commit-Queue: Alex Klein <saklein@chromium.org>
2 files changed