The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/d495037e7ea103e02d66b6c23da40f087a431784

commit d495037e7ea103e02d66b6c23da40f087a431784
Author: Jeffrey Li <lijeffrey@chromium.org>
Date: Fri Aug 03 19:28:25 2018

[Findit] Flake Analyzer - Deprecating confidence in suspected build

MasterFlakeAnalysis.confidence_in_suspected_build isn't useful and can
be deprecated entirely. Instead, confidence is calculated for culprits
and that value is used exclusively to determine what auto actions to take.

Bug:  869555 
Change-Id: I257b08f832251f0e2bc764cb453cfd6b10144d4d
Reviewed-on: https://chromium-review.googlesource.com/1157219
Commit-Queue: Jeffrey Li <lijeffrey@chromium.org>
Reviewed-by: Shuotao Gao <stgao@chromium.org>

[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/services/test/event_reporting_test.py
[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/handlers/flake/list_flakes.py
[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/templates/flake/dashboard.html
[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/model/flake/master_flake_analysis.py
[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/handlers/flake/check_flake.py
[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/handlers/flake/test/list_flakes_test.py
[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/ui/elements/analysis/flake/flake-analysis-info.html
[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/handlers/flake/test/check_flake_test.py
[modify] https://crrev.com/d495037e7ea103e02d66b6c23da40f087a431784/appengine/findit/templates/flake/result.html