The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra.git/+/e9f14cc4676df7495e28f583d2bffe383159d267

commit e9f14cc4676df7495e28f583d2bffe383159d267
Author: stgao <stgao@chromium.org>
Date: Sat Oct 22 00:03:21 2016

[Findit] Asynchronously process flake reports from chromium-try-flakes.

Since a hacky solution was implemented to map a CQ trybot step to a Waterfall buildbot step, multiple http requests have to be sent to Swarming and Isolate Server to retrieve step metadata and test output. Such http requests could lead to long processing time for a single flake report, and cause timeout on chromium-try-flakes side.

This CL is to put flake reports from chromium-try-flakes in a task queue, and then process them asynchronously.

BUG= 656138 

Review-Url: https://chromiumcodereview.appspot.com/2435983003

[modify] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/common/constants.py
[modify] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/findit_api.py
[add] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/handlers/process_flake_analysis_request.py
[add] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/handlers/test/process_flake_analysis_request_test.py
[modify] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/main.py
[modify] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/queue.yaml
[modify] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/test/findit_api_test.py
[modify] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/waterfall-backend.yaml
[modify] https://crrev.com/e9f14cc4676df7495e28f583d2bffe383159d267/appengine/findit/waterfall/flake/flake_analysis_service.py