Remove upright-matrix- configs from Android bots

The Android bots are flaking like crazy. I'm not sure if these configs
are hurting the situation, but let's see if this helps.

TBR=mtklein,halcanary
BUG=skia:

Review URL: https://codereview.chromium.org/1131603002
diff --git a/tools/dm_flags.py b/tools/dm_flags.py
index c060b20..b461af5 100755
--- a/tools/dm_flags.py
+++ b/tools/dm_flags.py
@@ -29,9 +29,11 @@
 def get_args(bot):
   args = []
 
-  configs = ['565', '8888', 'gpu', 'upright-matrix-8888', 'upright-matrix-gpu']
+  configs = ['565', '8888', 'gpu']
 
-  args.extend('--matrix 0 1 1 0'.split(' '))
+  if 'Android' not in bot:
+    configs.extend(('upright-matrix-8888', 'upright-matrix-gpu'))
+    args.extend('--matrix 0 1 1 0'.split(' '))
 
   if 'TegraK1' in bot or 'GTX550Ti' in bot or 'GTX660' in bot or 'GT610' in bot:
     if 'Android' in bot: