Add new builders to the chromium.memory config files.

tools/mb/mb_config.pyl

 # Copyright 2015 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.
 
 # This is a .pyl, or "Python Literal", file. You can treat it just like a
 # .json file, with the following exceptions:
 # * all keys must be quoted (use single quotes, please);
 # * comments are allowed, using '#' syntax; and
 # * trailing commas are allowed.
 
@@ skipping 288 matching lines @@
       'ios-device-xcode-clang': 'ios',
       'ios-simulator': 'ios',
       'ios-simulator-cronet': 'ios',
       'ios-simulator-eg': 'ios',
       'ios-simulator-xcode-clang': 'ios',
     },
 
     'chromium.memory': {
       'Linux ASan LSan Builder': 'asan_lsan_release_trybot',
       'Linux Chromium OS ASan LSan Builder': 'asan_lsan_chromeos_release_trybot',
+      'Linux ChromiumOS MSan Builder': 'chromeos_msan_release_bot',
+      'Linux MSan Builder': 'msan_release_bot',
       'Linux TSan Builder': 'tsan_disable_nacl_release_bot',
       'Mac ASan 64 Builder': 'asan_full_symbols_disable_nacl_release_bot_dcheck_always_on',
     },
 
     'chromium.memory.fyi': {
       'Chromium Linux ChromeOS MSan Builder': 'chromeos_msan_release_bot',
       'Chromium Linux MSan Builder': 'msan_release_bot',
     },
 
     'chromium.memory.full': {
@@ skipping 1616 matching lines @@
 
     'x64': {
       'gn_args': 'target_cpu="x64"',
     },
 
     'x86': {
       'gn_args': 'target_cpu="x86"',
     },
   },
 }