[Android] Remove isolate_deps_dir after files have been pushed.

build/android/test_runner.py

 #!/usr/bin/env python
 #
 # Copyright 2013 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.
 
 """Runs all types of tests from one unified interface."""
 
 import argparse
 import collections
@@ skipping 641 matching lines @@
 
     report_results.LogFull(
         results=results,
         test_type='Unit test',
         test_package=suite_name,
         flakiness_server=args.flakiness_dashboard_server)
 
     if args.json_results_file:
       json_results.GenerateJsonResultsFile(results, args.json_results_file)
 
-  if os.path.isdir(constants.ISOLATE_DEPS_DIR):
-    shutil.rmtree(constants.ISOLATE_DEPS_DIR)
-
   return exit_code
 
 
 def _RunLinkerTests(args, devices):
   """Subcommand of RunTestsCommands which runs linker tests."""
   runner_factory, tests = linker_setup.Setup(args, devices)
 
   results, exit_code = test_dispatcher.RunTests(
       tests, runner_factory, devices, shard=True, test_timeout=60,
       num_retries=args.num_retries)
@@ skipping 356 matching lines @@
       return constants.INFRA_EXIT_CODE
     else:
       return constants.ERROR_EXIT_CODE
   except: # pylint: disable=W0702
     logging.exception('Unrecognized error occurred.')
     return constants.ERROR_EXIT_CODE
 
 
 if __name__ == '__main__':
   sys.exit(main())