The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/ea33335a491285935b5d9bfba1a18246b3ded9fd

commit ea33335a491285935b5d9bfba1a18246b3ded9fd
Author: Jeffrey Li <lijeffrey@chromium.org>
Date: Wed Dec 05 23:03:31 2018

[Findit] Flake Detection - Adding status fields to FlakeIssue

Adding:
* status - 'Assigned', 'Available', etc.
* last_updated_time_in_monorail - timestamp of the last update on the bug
* priority - The priority of the bug
* Update() - A method to update any specified field(s).

Bug:  911841 
Change-Id: I9b3e9c17468f21b3e194cf8f553bee802578d9c7
Reviewed-on: https://chromium-review.googlesource.com/c/1361676
Commit-Queue: Jeffrey Li <lijeffrey@chromium.org>
Reviewed-by: Chan Li <chanli@chromium.org>
Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#19381}
[modify] https://crrev.com/ea33335a491285935b5d9bfba1a18246b3ded9fd/appengine/findit/model/flake/test/flake_issue_test.py
[modify] https://crrev.com/ea33335a491285935b5d9bfba1a18246b3ded9fd/appengine/findit/model/flake/flake_issue.py
[modify] https://crrev.com/ea33335a491285935b5d9bfba1a18246b3ded9fd/appengine/findit/handlers/flake/detection/test/show_flake_test.py
[modify] https://crrev.com/ea33335a491285935b5d9bfba1a18246b3ded9fd/appengine/findit/handlers/flake/detection/test/flake_detection_utils_test.py