Fixes for CommandBuffer bot

tools/dm_flags.py

Index: tools/dm_flags.py
diff --git a/tools/dm_flags.py b/tools/dm_flags.py
index 41a8510f763dd5419f736155e80a9c9c56bc9a30..aef566d33cc5e83d4bb81b7bf0104c76199c1d10 100755
--- a/tools/dm_flags.py
+++ b/tools/dm_flags.py
@@ -88,6 +88,10 @@ def get_args(bot):
   if 'GalaxyS3' in bot:
       configs.append('gpudft')
 
+  # CommandBuffer bot *only* runs the command_buffer config.
+  if 'CommandBuffer' in bot:
+    configs = ['command_buffer']
+
   args.append('--config')
   args.extend(configs)
 
@@ -251,19 +255,20 @@ def self_test():
   cases = [
     'Pretend-iOS-Bot',
     'Test-Android-GCC-AndroidOne-GPU-Mali400MP2-Arm7-Release',
-    'Test-Android-GCC-Nexus9-GPU-TegraK1-Arm64-Debug',
     'Test-Android-GCC-GalaxyS3-GPU-Mali400-Arm7-Debug',
     'Test-Android-GCC-GalaxyS4-GPU-SGX544-Arm7-Release',
     'Test-Android-GCC-Nexus7-GPU-Tegra3-Arm7-Release',
+    'Test-Android-GCC-Nexus9-GPU-TegraK1-Arm64-Debug',
     'Test-Android-GCC-NexusPlayer-CPU-SSSE3-x86-Release',
-    'Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind',
+    'Test-Android-GCC-NVIDIA_Shield-GPU-TegraX1-Arm64-Release',
+    'Test-Mac-Clang-MacMini4.1-GPU-GeForce320M-x86_64-Release',
+    'Test-Mac-Clang-MacMini6.2-GPU-HD4000-x86_64-Debug-CommandBuffer',
+    'Test-Mac10.8-Clang-MacMini4.1-CPU-SSE4-x86_64-Release',
     'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-MSAN',
     'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-TSAN',
     'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-Valgrind',
+    'Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind',
     'Test-Win7-MSVC-ShuttleA-GPU-HD2000-x86-Debug-ANGLE',
-    'Test-Mac10.8-Clang-MacMini4.1-CPU-SSE4-x86_64-Release',
-    'Test-Mac-Clang-MacMini4.1-GPU-GeForce320M-x86_64-Release',
-    'Test-Android-GCC-NVIDIA_Shield-GPU-TegraX1-Arm64-Release',
   ]
 
   cov = coverage.coverage()