Converted the tryserver.chromium.linux asan builder to a recipe.

scripts/slave/recipe_modules/chromium/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.
 
 from . import chromium_chrome
 from . import chromium_chromiumos
 from . import chromium_git
 from . import chromium_fyi
 from . import chromium_linux
 from . import chromium_mac
 from . import chromium_memory
 from . import chromium_perf
 from . import chromium_webkit
 from . import chromium_win
 from . import client_skia
 from . import client_v8
+from . import tryserver_chromium_linux
 from . import tryserver_chromium_mac
 
 
 BUILDERS = {
   'chromium.chrome': chromium_chrome.SPEC,
   'chromium.chromiumos': chromium_chromiumos.SPEC,
   'chromium.git': chromium_git.SPEC,
   'chromium.fyi': chromium_fyi.SPEC,
   'chromium.linux': chromium_linux.SPEC,
   'chromium.mac': chromium_mac.SPEC,
   'chromium.memory': chromium_memory.SPEC,
   'chromium.perf': chromium_perf.SPEC,
   'chromium.webkit': chromium_webkit.SPEC,
   'chromium.win': chromium_win.SPEC,
   'client.skia': client_skia.SPEC,
   'client.v8': client_v8.SPEC,
+  'tryserver.chromium.linux': tryserver_chromium_linux.SPEC,
   'tryserver.chromium.mac': tryserver_chromium_mac.SPEC,
 }