autotest: Increase servo rpc timeout

BUG=chromium:911221
TEST=None

Change-Id: Ibefc313c54e0d1123520523ab6028b7eff7dfdaf
Reviewed-on: https://chromium-review.googlesource.com/1359873
Commit-Ready: Allen Li <ayatane@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
(cherry picked from commit 556f45387202cc8546380d4cf588b9a6fbfcc24a)
Reviewed-on: https://chromium-review.googlesource.com/c/1384810
Commit-Queue: Kalin Stoyanov <kalin@chromium.org>
Tested-by: Kalin Stoyanov <kalin@chromium.org>
diff --git a/server/hosts/servo_host.py b/server/hosts/servo_host.py
index 7045043..beb2460 100644
--- a/server/hosts/servo_host.py
+++ b/server/hosts/servo_host.py
@@ -194,7 +194,7 @@
                     None, self.servo_port,
                     ready_test_name=self.SERVO_READY_METHOD,
                     timeout_seconds=60,
-                    request_timeout_seconds=600)
+                    request_timeout_seconds=3600)
         else:
             remote = 'http://%s:%s' % (self.hostname, self.servo_port)
             return xmlrpclib.ServerProxy(remote)