fix nvpr

The config is called nvprmsaa4 (see DM.cpp:218)

BUG=skia:

Review URL: https://codereview.chromium.org/953743007

tools/dm_flags.json

@@ -4,7 +4,7 @@
     "565", 
     "8888", 
     "gpu", 
-    "nvprmsaa", 
+    "nvprmsaa4", 
     "serialize-8888", 
     "tiles_rt-8888", 
     "pipe-8888", 
@@ -44,7 +44,7 @@
     "565", 
     "8888", 
     "gpu", 
-    "nvprmsaa", 
+    "nvprmsaa4", 
     "--blacklist", 
     "gpu", 
     "_", 
@@ -80,7 +80,7 @@
     "565", 
     "8888", 
     "gpu", 
-    "nvprmsaa", 
+    "nvprmsaa4", 
     "serialize-8888", 
     "tiles_rt-8888", 
     "pipe-8888", 
@@ -100,7 +100,7 @@
     "565", 
     "8888", 
     "gpu", 
-    "nvprmsaa", 
+    "nvprmsaa4", 
     "serialize-8888", 
     "tiles_rt-8888", 
     "pipe-8888", 
@@ -120,7 +120,7 @@
     "565", 
     "8888", 
     "gpu", 
-    "nvprmsaa", 
+    "nvprmsaa4", 
     "serialize-8888", 
     "tiles_rt-8888", 
     "pipe-8888", 

tools/dm_flags.py

@@ -22,7 +22,7 @@ cov_start = lineno()+1   # We care about coverage starting just past this def.
 def get_dm_args(bot):
   args = []
 
-  configs = ['565', '8888', 'gpu', 'nvprmsaa']
+  configs = ['565', '8888', 'gpu', 'nvprmsaa4']
   # Xoom and NP are running out of RAM when we run all these modes.  skia:3255
   if ('Xoom'        not in bot and
       'NexusPlayer' not in bot):