MSAN: cut down to green

tools/dm_flags.py

Index: tools/dm_flags.py
diff --git a/tools/dm_flags.py b/tools/dm_flags.py
index bb1c4649b4f480b9fe67a8b8616a69504aeac90b..de8882e3873cb5b7c5f7a6cf6b7ce62e2369a69c 100755
--- a/tools/dm_flags.py
+++ b/tools/dm_flags.py
@@ -77,6 +77,9 @@ def get_args(bot):
   if 'GalaxyS3' in bot:
       configs.append('gpudft')
 
+  if 'MSAN' in bot:
+    configs = ['8888']
+
   args.append('--config')
   args.extend(configs)
 
@@ -188,6 +191,9 @@ def get_args(bot):
   if 'ANGLE' in bot and 'Debug' in bot:
     match.append('~GLPrograms') # skia:4717
 
+  if 'MSAN' in bot:
+    match.extend(['~Once', '~Shared'])  # Not sure what's up with these tests.
+
   if blacklist:
     args.append('--blacklist')
     args.extend(blacklist)