The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/c8dfa8ea076657f8c096d55b2eb747058eab3960

commit c8dfa8ea076657f8c096d55b2eb747058eab3960
Author: Brandon Wylie <wylieb@chromium.org>
Date: Tue Nov 28 22:51:03 2017

[Findit] Flake Analyzer - Allow minimum confidence threshold to be configurable

If the value needs to be adjusted when experimenting to find the right fit,
a code change shouldn't be necesary.

Bug:  788947 
Change-Id: I0f474e9176f373bc373d60af933d51b56e376c2b
Reviewed-on: https://chromium-review.googlesource.com/791867
Reviewed-by: Jeffrey Li <lijeffrey@chromium.org>
Reviewed-by: Shuotao Gao <stgao@chromium.org>
Commit-Queue: Brandon Wylie <wylieb@chromium.org>

[modify] https://crrev.com/c8dfa8ea076657f8c096d55b2eb747058eab3960/appengine/findit/handlers/test/config_test.py
[modify] https://crrev.com/c8dfa8ea076657f8c096d55b2eb747058eab3960/appengine/findit/handlers/config.py
[modify] https://crrev.com/c8dfa8ea076657f8c096d55b2eb747058eab3960/appengine/findit/waterfall/test/waterfall_config_test.py
[modify] https://crrev.com/c8dfa8ea076657f8c096d55b2eb747058eab3960/appengine/findit/waterfall/test/wf_testcase.py
[modify] https://crrev.com/c8dfa8ea076657f8c096d55b2eb747058eab3960/appengine/findit/services/flake_failure/issue_tracking_service.py
[modify] https://crrev.com/c8dfa8ea076657f8c096d55b2eb747058eab3960/appengine/findit/pipelines/flake_failure/create_bug_for_flake_pipeline.py
[modify] https://crrev.com/c8dfa8ea076657f8c096d55b2eb747058eab3960/appengine/findit/model/wf_config.py
[modify] https://crrev.com/c8dfa8ea076657f8c096d55b2eb747058eab3960/appengine/findit/services/flake_failure/test/issue_tracking_service_test.py