Convert Coverage flavor and bot to Swarming

scripts/slave/recipes/skia/swarm_test.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 # Recipe module for Skia Swarming test.
 
 
 DEPS = [
   'recipe_engine/json',
@@ skipping 12 matching lines @@
     ],
     'skiabot-win-tester-000': [
       'Test-Win8-MSVC-ShuttleB-CPU-AVX2-x86_64-Release-Trybot'
     ],
     'skiabot-nexus6-001': [
       'Test-Android-GCC-Nexus6-GPU-Adreno420-Arm7-Release',
     ],
     'skiabot-linux-swarm-012': [
       'Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind',
     ],
+    'skiabot-linux-swarm-013': [
+      'Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Coverage-Trybot',
+    ],
   },
 }
 
 
 def RunSteps(api):
   api.skia.setup(running_in_swarming=True)
   api.skia.test_steps()
   api.skia.cleanup_steps()
 
 
@@ skipping 39 matching lines @@
         if 'Trybot' in builder:
           test += api.properties(issue=500,
                                  patchset=1,
                                  rietveld='https://codereview.chromium.org')
         if 'Win' in builder:
           test += api.platform('win', 64)
 
 
         yield test