[Findit] Add findit_for_client to do analysis based on client_id

appengine/findit/crash/findit_for_chromecrash.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Process crashes from Chrome crash server and find culprits for them."""
 
 import logging
 
 from common import chromium_deps
 from crash import detect_regression_range
@@ skipping 122 matching lines @@
           'suspected_project': suspected_project,
           'suspected_components': suspected_components,
           'suspected_cls': culprit_results_list,
       },
       {
           'found_suspects': bool(culprit_results_list),
           'has_regression_range': bool(regression_versions),
           'solution': 'core_algorithm',
       }
   )