SLI failures will page CloudOps
SLI failures will page CloudOps

We discovered our SLI failures aren't paging us, but they should. This
remedies the faiure. Now we will be paged when our SLIs drop below 49%
for ten minutes.

[#157615390] We should have gotten paged on Friday, May 11th by 7:32pm

Signed-off-by: Gary Liu <e2834181ebd96d7544bc16fb46591d272d6ed785@pivotal.io>

pivotal-cf-experimental/datadog-config-oss,pivotal-cf-experimental/datadog-config-oss