Inrease run_timeout in network_WiFiRoaming.009ConnectOnResume test

BUG=chrome-os-partner:12276
TEST=Manual (run test)

Change-Id: I92b406d89f63aa5589efd771741c07dd2fe08180
Reviewed-on: https://gerrit.chromium.org/gerrit/29688
Reviewed-by: mukesh agrawal <quiche@chromium.org>
Commit-Ready: Tan Gao <tgao@chromium.org>
Tested-by: Tan Gao <tgao@chromium.org>
1 file changed