Move builder_spec, [dm|nanobench]_flags, builder_name_schema to recipes

infra/bots/recipes/swarm_trigger.expected/Build-Win-MSVC-x86_64-Release-Vulkan.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "\nimport json\nimport sys\n\nwith open(sys.argv[1]) as f:\n  content = json.load(f)\n\nprint json.dumps(content, indent=2)\n",
       "{\"buildername\": \"Build-Win-MSVC-x86_64-Release-Vulkan\", \"buildnumber\": 5, \"mastername\": \"client.skia\", \"path_config\": \"kitchen\", \"recipe\": \"swarm_trigger\", \"revision\": \"abc123\", \"slavename\": \"skiabot-linux-swarm-000\"}"
     ],
     "name": "print properties",
     "~followup_annotations": [
@@ skipping 243 matching lines @@
       "RECIPE_PACKAGE_REPO[depot_tools]/gsutil.py",
       "----",
       "help"
     ],
     "name": "gsutil help"
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[SLAVE_BUILD]/skia/tools/buildbot_spec.py",
-      "/path/to/tmp/json",
-      "Build-Win-MSVC-x86_64-Release-Vulkan"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "exec buildbot_spec.py",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@json.output@{@@@",
-      "@@@STEP_LOG_LINE@json.output@  \"build_targets\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"most\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  ], @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"builder_cfg\": {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"compiler\": \"MSVC\", @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"configuration\": \"Release\", @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"extra_config\": \"Vulkan\", @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"is_trybot\": false, @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"os\": \"Win\", @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"role\": \"Build\", @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"target_arch\": \"x86_64\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  }, @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"configuration\": \"Release_x64\", @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"dm_flags\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"--dummy-flags\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  ], @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"do_perf_steps\": false, @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"do_test_steps\": false, @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"env\": {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"GYP_DEFINES\": \"qt_sdk=C:/Qt/4.8.5/ skia_arch_type=x86_64 skia_vulkan=1 skia_vulkan_debug_layers=0 skia_warnings_as_errors=1 skia_win_debuggers_path=c:/DbgHelp skia_win_ltcg=0\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  }, @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"nanobench_flags\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"--dummy-flags\"@@@",
-      "@@@STEP_LOG_LINE@json.output@  ], @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"upload_dm_results\": true, @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"upload_perf_results\": false@@@",
-      "@@@STEP_LOG_LINE@json.output@}@@@",
-      "@@@STEP_LOG_END@json.output@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "python",
-      "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/skia/infra/bots/assets/win_toolchain/VERSION",
       "/path/to/tmp/"
     ],
     "name": "read win_toolchain VERSION"
   },
   {
     "cmd": [
       "python",
       "-u",
@@ skipping 205 matching lines @@
       "@@@STEP_LINK@shard #0 isolated out@blah@@@",
       "@@@STEP_LINK@view steps on Milo@https://luci-milo.appspot.com/swarming/task/148aa78d7aa0000@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]