Make log parser custom parameters less variable. (#2557)
Make log parser custom parameters less variable. (#2557)

Having ids in the custom parameter names doesn't play too well with new
relic insights.
tojonmz/treeherder,tojonmz/treeherder,KWierso/treeherder,KWierso/treeherder,tojon/treeherder,tojon/treeherder,tojon/treeherder,tojonmz/treeherder,tojonmz/treeherder,edmorley/treeherder,edmorley/treeherder,edmorley/treeherder,KWierso/treeherder,tojon/treeherder,tojonmz/treeherder,edmorley/treeherder,tojonmz/treeherder,KWierso/treeherder