Description: Add a new outlier detection mode which compares each host's rate of request failure to a configured fixed threshold.
Risk Level: Low
Testing: 2 new unit tests added.
Docs Changes: New mode and config options described.
Release Notes: white_check_mark
Fixes#8105
Signed-off-by: James Forcier <jforcier@grubhub.com>
Mirrored from https://github.com/envoyproxy/envoy @ 36cf26b9d6ac32f5671c24b92f9ea22ab70bc6c1