[autotest] Add a harness for running dynamic suites from your workstation

To enable development on the dynamic suite infrastructure.

BUG=None
TEST=./server/autoserv test_suites/dev_harness

Change-Id: Ib2a63d19f919f5e256f0a36dbca33e1b52f92875
Reviewed-on: https://gerrit.chromium.org/gerrit/13240
Commit-Ready: Chris Masone <cmasone@chromium.org>
Reviewed-by: Chris Masone <cmasone@chromium.org>
Tested-by: Chris Masone <cmasone@chromium.org>
Reviewed-by: Scott Zawalski <scottz@chromium.org>
diff --git a/global_config.ini b/global_config.ini
index 32dcbb1..37fa226 100644
--- a/global_config.ini
+++ b/global_config.ini
@@ -130,3 +130,9 @@
 
 [CROS]
 source_tree: /usr/local/google/chromeos
+dev_server: http://172.22.50.205:8080
+# The below should be %(dev_server)s/update/%%(name)s so that we'd fill in
+# the above value for dev_server when this config is parsed, but leave the
+# name field to be populated later.  Sadly, that doesn't parse.
+image_url_pattern: %(dev_server)s/update/%%s
+package_url_pattern: %(dev_server)s/static/archive/%%s/autotest