Convert Coverage flavor and bot to Swarming

scripts/slave/recipe_modules/skia/fake_specs.py

 # This file is generated by the scripts/slave/skia/gen_buildbot_specs.py script.
 
 FAKE_SPECS = {
   'Build-Mac-Clang-Arm7-Release-iOS': {
     'build_targets': [
       'most',
     ],
     'builder_cfg': {
       'compiler': 'Clang',
       'configuration': 'Release',
@@ skipping 868 matching lines @@
       'cpu_or_gpu_value': 'AVX2',
       'is_trybot': True,
       'model': 'GCE',
       'os': 'Ubuntu',
       'role': 'Test',
     },
     'configuration': 'Coverage',
     'dm_flags': [
       '--dummy-flags',
     ],
+    'do_compile_steps': False,
     'do_perf_steps': False,
     'do_test_steps': True,
     'env': {
       'CC': '/usr/bin/clang-3.6',
       'CXX': '/usr/bin/clang++-3.6',
       'GYP_DEFINES':
           ('skia_arch_type=x86_64 skia_clang_build=1 skia_gpu=0 skia_warnings'
            '_as_errors=0'),
     },
     'nanobench_flags': [
@@ skipping 265 matching lines @@
           ('skia_arch_type=arm skia_clang_build=1 skia_os=ios skia_warnings_a'
            's_errors=0'),
     },
     'nanobench_flags': [
       '--dummy-flags',
     ],
     'upload_dm_results': True,
     'upload_perf_results': False,
   },
 }