WebRTC: Add Linux32 ARM builder.

scripts/slave/recipe_modules/webrtc/builders.py

 # Copyright 2014 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.
 
 # Contains the bulk of the WebRTC builder configurations so they can be reused
 # from multiple recipes.
 
 from recipe_engine.types import freeze
 
 RECIPE_CONFIGS = freeze({
@@ skipping 1056 matching lines @@
         'recipe_config': 'webrtc',
         'chromium_config_kwargs': {
           'BUILD_CONFIG': 'Release',
           'TARGET_BITS': 64,
         },
         'bot_type': 'builder_tester',
         'testing': {'platform': 'linux'},
         'use_isolate': True,
         'enable_swarming': True,
       },
+      'Linux32 ARM': {
+        'recipe_config': 'webrtc',
+        'chromium_config_kwargs': {
+          'BUILD_CONFIG': 'Release',
+          'TARGET_ARCH': 'arm',
+          'TARGET_BITS': 32,
+        },
+        'bot_type': 'builder',
+        'testing': {'platform': 'linux'},
+      },
       'Android Builder (dbg)': {
         'recipe_config': 'webrtc_android',
         'chromium_config_kwargs': {
           'BUILD_CONFIG': 'Debug',
           'TARGET_PLATFORM': 'android',
           'TARGET_ARCH': 'arm',
           'TARGET_BITS': 32,
         },
         'bot_type': 'builder',
         'build_gs_archive': 'fyi_android_apk_dbg_archive',
@@ skipping 554 matching lines @@
           'TARGET_BITS': 32,
         },
         'chromium_apply_config': ['webrtc_gn'],
         'bot_type': 'builder',
         'testing': {'platform': 'linux'},
       },
     },
   },
 })