utils: Add a helper utility to connect to server

Add a test_server script to connect to Chameleond server in an
interactive shell.

BUG=chromium:560231
TEST=use the script to connect to server.

Change-Id: Ia7bb96b8b9b607f44679b0d571f524df99b39d36
Reviewed-on: https://chromium-review.googlesource.com/313893
Commit-Ready: Cheng-Yi Chiang <cychiang@chromium.org>
Tested-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Wai-Hong Tam <waihong@chromium.org>
1 file changed