Michael McFadyen 9eeeebcd53 Update 'HTTP Client Metrics' reference documentation
Since gh-#5594, the 'outcome' tag has been introduced for
HTTP clients. This commit updates the reference documentation
accordingly.

Closes gh-15725
2019-01-17 12:14:42 -05:00
..
2018-10-15 16:43:32 +02:00