Fix target arch for x86 bots.

build/android/buildbot/bb_run_bot.py

 #!/usr/bin/env python
 #
 # Copyright (c) 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.
 
 import collections
 import copy
 import json
 import os
@@ skipping 140 matching lines @@
 
       # Other waterfalls
       B('asan-builder-tests', H(compile_step,
                                 extra_gyp='asan=1 component=shared_library'),
         T(std_tests, ['--asan', '--asan-symbolize'])),
       B('blink-try-builder', H(compile_step)),
       B('chromedriver-fyi-tests-dbg', H(std_test_steps),
         T(['chromedriver'], ['--install=ChromeShell', '--skip-wipe',
           '--cleanup'])),
       B('fyi-x86-builder-dbg',
-        H(compile_step + std_host_tests, experimental, target_arch='x86')),
+        H(compile_step + std_host_tests, experimental, target_arch='ia32')),
       B('fyi-builder-dbg',
         H(std_build_steps + std_host_tests, experimental,
           extra_gyp='emma_coverage=1')),
       B('x86-builder-dbg',
-        H(compile_step + std_host_tests, target_arch='x86')),
+        H(compile_step + std_host_tests, target_arch='ia32')),
       B('fyi-builder-rel', H(std_build_steps,  experimental)),
       B('fyi-tests', H(std_test_steps),
         T(std_tests + chrome_sync_shell_tests,
                       ['--experimental', flakiness_server,
                       '--coverage-bucket', CHROMIUM_COVERAGE_BUCKET,
                       '--cleanup'])),
       B('fyi-component-builder-tests-dbg',
         H(compile_step, extra_gyp='component=shared_library'),
         T(std_tests, ['--experimental', flakiness_server])),
       B('gpu-builder-tests-dbg',
@@ skipping 123 matching lines @@
   for command in commands:
     print 'Will run: ', bb_utils.CommandToString(command)
   print
 
   env = GetEnvironment(bot_config.host_obj, options.testing)
   return RunBotCommands(options, commands, env)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))