devserver: Deprecate cros_au API
We don't use this API anymore. Deperecate it so we can move on with
cleaning up the reset of the code.
BUG=chromium:1093927, chromium:872441
TEST=./devserver_integration_test.py
Change-Id: Ia26b573ef941f60e6f22666f2dd48a68c85da393
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2242096
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: David Haddock <dhaddock@chromium.org>
Reviewed-by: Sanika Kulkarni <sanikak@chromium.org>
Reviewed-by: Allen Li <ayatane@chromium.org>
Commit-Queue: David Haddock <dhaddock@chromium.org>
2 files changed
