[autotest] Temporarily use devserver1 for rpmserver.

We are having issue in raching rpms from chromeos-rpmserver1.cbf
Temporarily move rpm server to devserver1.

BUG=chromium:364323
TEST=None

Change-Id: Idd3b1e637b16dc6f455a912854601d58c01e88f6
Reviewed-on: https://chromium-review.googlesource.com/195431
Reviewed-by: Bindu Mahadev <bmahadev@chromium.org>
Reviewed-by: Prashanth B <beeps@chromium.org>
Commit-Queue: Fang Deng <fdeng@chromium.org>
Tested-by: Fang Deng <fdeng@chromium.org>
diff --git a/global_config.ini b/global_config.ini
index 580b090..9b4b139 100644
--- a/global_config.ini
+++ b/global_config.ini
@@ -182,7 +182,9 @@
 # the "Sentry Switched CDU" type
 rpm_sentry_username: fake_user
 rpm_sentry_password: fake_password
-rpm_frontend_uri: http://chromeos-rpmserver1.cbf.corp.google.com:9999
+# TODO(fdeng): crbug.com/364323. Change it back to
+# http://chromeos-rpmserver1.cbf.corp.google.com:9999 once the bug was fixed.
+rpm_frontend_uri: http://chromeos-devserver1.mtv.corp.google.com:9999
 rpm_recovery_boards: stumpy,kiev
 
 # Path the devserver source tree, used for spawning devserver from autoserv in