The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102

commit e103571a2bc6ceb7b96e085e0c5ffa5c533e9102
Author: Jeffrey Li <lijeffrey@chromium.org>
Date: Fri Aug 24 22:58:13 2018

[Findit] Flake Analyzer - Save recent check for flakiness in separate data point list

1. Introduce a new field, post_analysis_data_points to MasterFlakeAnalysis to store
   checks for flakiness outside of analyses.
2. Save an error field to DataPoint in case check for flakiness at a recent commit
   encounters unrecoverable errors for surfacing purposes.
3. Append data points for checks in recent commits to the appropriate data point list.
4. Basic cleanup of CreateBugForFlakePipeline

Next steps: UI for displaying recent flakiness separate from the main graph.

Bug:  876147 
Change-Id: I3ee8e193cc27b0d248d369e4399aea598fbc0e80
Reviewed-on: https://chromium-review.googlesource.com/1187840
Commit-Queue: Jeffrey Li <lijeffrey@chromium.org>
Reviewed-by: Yuke Liao <liaoyuke@chromium.org>

[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/pipelines/flake_failure/update_flake_analysis_data_points_pipeline.py
[add] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/pipelines/flake_failure/save_flakiness_verification_pipeline.py
[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/pipelines/flake_failure/test/update_flake_analysis_data_points_pipeline_test.py
[add] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/pipelines/flake_failure/test/save_flakiness_verification_pipeline_test.py
[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/pipelines/flake_failure/test/create_bug_for_flake_pipeline_test.py
[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/services/flake_failure/test/data_point_util_test.py
[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/model/flake/master_flake_analysis.py
[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/pipelines/flake_failure/analyze_flake_pipeline.py
[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/pipelines/flake_failure/test/analyze_flake_pipeline_test.py
[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/pipelines/flake_failure/create_bug_for_flake_pipeline.py
[modify] https://crrev.com/e103571a2bc6ceb7b96e085e0c5ffa5c533e9102/appengine/findit/services/flake_failure/data_point_util.py