Skip msaa4 on Tegra 2 and 3.

tools/dm_flags.py

 #
 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 
 #!/usr/bin/env python
 
 usage = '''
@@ skipping 20 matching lines @@
 
   configs = ['565', '8888', 'gpu']
 
   if 'TegraK1' in bot or 'GTX550Ti' in bot or 'GTX660' in bot or 'GT610' in bot:
     if 'Android' in bot:
       configs.append('nvprmsaa4')
     else:
       configs.append('nvprmsaa16')
 
   # The S4 crashes and the NP produces a long error stream when we run with
-  # MSAA.
+  # MSAA.  The Tegra2 and Tegra3 just don't support it.
   if ('GalaxyS4'    not in bot and
-      'NexusPlayer' not in bot):
+      'NexusPlayer' not in bot and
+      'Tegra2'      not in bot and
+      'Tegra3'      not in bot):
     if 'Android' in bot:
       configs.append('msaa4')
     else:
       configs.append('msaa16')
   # Runs out of memory on Android bots and Daisy.  Everyone else seems fine.
   if 'Android' not in bot and 'Daisy' not in bot:
     configs.append('pdf')
 
   # Xoom and NP are running out of RAM when we run all these modes.  skia:3255
   if ('Xoom'        not in bot and
@@ skipping 136 matching lines @@
   if len(sys.argv) == 2 and sys.argv[1] == 'test':
     self_test()
     sys.exit(0)
 
   if len(sys.argv) != 3:
     print usage
     sys.exit(1)
 
   with open(sys.argv[1], 'w') as out:
     json.dump(get_args(sys.argv[2]), out)