Regenerate dm protos to get pRPC client
Regenerate dm protos to get pRPC client

TBR=nodir@chromium.org
BUG=550684

Review URL: https://codereview.chromium.org/1738043002

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