Blacklist GLVertexAttributesBench and GLVec4ScalarBench for GalaxyS4 due to skia:4373

BUG=skia:4373

Review URL: https://codereview.chromium.org/1365683003

tools/nanobench_flags.json

@@ -49,7 +49,9 @@
     "~blurroundrect", 
     "~patch_grid", 
     "~desk_carsvg", 
-    "~GLInstancedArraysBench"
+    "~GLInstancedArraysBench", 
+    "~GLVertexAttributesBench", 
+    "~GLVec4ScalarBench"
   ], 
   "Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind": [
     "--scales", 

tools/nanobench_flags.py

@@ -69,6 +69,8 @@ def get_args(bot):
     match.append('~desk_unicodetable')
   if 'GalaxyS4' in bot:
     match.append('~GLInstancedArraysBench')  # skia:4371
+    # skia:4373
+    match.extend(['~GLVertexAttributesBench', '~GLVec4ScalarBench'])
 
   if 'iOS' in bot:
     match.append('~blurroundrect')