disable native fonts except on NativeFonts bots

a.k.a. GM fontpocalypse

Change-Id: If834940574adea29b48f35abec61f0a1c9bd59d3
Reviewed-on: https://skia-review.googlesource.com/69881
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
diff --git a/infra/bots/recipes/test.py b/infra/bots/recipes/test.py
index b560e8a..ed6ab2c 100644
--- a/infra/bots/recipes/test.py
+++ b/infra/bots/recipes/test.py
@@ -711,6 +711,9 @@
   if 'FDAA' in bot:
     args.extend(['--deltaAA', '--forceDeltaAA'])
 
+  if 'NativeFonts' not in bot:
+    args.append('--nonativeFonts')
+
   # Let's make all bots produce verbose output by default.
   args.append('--verbose')