AU: Switch autest to the new test server URL.

BUG=chromium-os:22453,chromium-os:22451
TEST=executed autest with SSL lockdown in place, logs indicate that
update_engine can connect to the new server and received sane response

Change-Id: I46a9127df241622b41f0375481be48e19147cc4a
Reviewed-on: https://gerrit.chromium.org/gerrit/11198
Tested-by: Darin Petkov <petkov@chromium.org>
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Commit-Ready: Darin Petkov <petkov@chromium.org>
Reviewed-by: Kris Rambish <krisr@chromium.org>
diff --git a/dbus_service.cc b/dbus_service.cc
index a9727f8..988ae2e 100644
--- a/dbus_service.cc
+++ b/dbus_service.cc
@@ -16,7 +16,7 @@
 
 static const char kAUTestURLRequest[] = "autest";
 static const char kAUTestURL[] =
-    "https://omaha.corp.google.com:8082/service/update2";
+    "https://omaha.sandbox.google.com/service/update2";
 
 G_DEFINE_TYPE(UpdateEngineService, update_engine_service, G_TYPE_OBJECT)