Do not run browser_tests on the linux_asan trybot. This should save us a hour on every run.

masters/master.tryserver.chromium/master.cfg

Index: masters/master.tryserver.chromium/master.cfg
===================================================================
--- masters/master.tryserver.chromium/master.cfg	(revision 155966)
+++ masters/master.tryserver.chromium/master.cfg	(working copy)
@@ -1205,6 +1205,7 @@
     ],
     extra_gyp_defines='use_ash=1')
 
+# browser_tests run for a hour. Please don't add them to the bot.
 b_linux_asan = {
   'name': 'linux_asan',
   'factory': m_chromium_linux.ChromiumASANFactory(
@@ -1212,7 +1213,6 @@
       options=[
         '--compiler=goma-clang',
         'base_unittests',
-        'browser_tests',
         'cacheinvalidation_unittests',
         'content_browsertests',
         'content_unittests',
@@ -1233,7 +1233,6 @@
       ],
       tests=[
         'base',
-        'browser_tests',
         'cacheinvalidation',
         'content_browsertests',
         'crypto',