Fix luci-go for AlwaysFilterRDS API change
Fix luci-go for AlwaysFilterRDS API change

R=dnj@chromium.org
BUG=

Review URL: https://codereview.chromium.org/2471893003 .

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go