Add key params for buildbotless bots in DM/nanobench

infra/bots/recipes/swarm_perf.expected/nobuildbot.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]\\skia\\infra\\bots\\assets\\skp\\VERSION",
       "/path/to/tmp/"
     ],
     "name": "Get downloaded SKP VERSION"
@@ skipping 87 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@if not os.path.isdir(path):@@@",
       "@@@STEP_LOG_LINE@python.inline@  if os.path.exists(path):@@@",
       "@@@STEP_LOG_LINE@python.inline@    print \"%s exists but is not a dir\" % path@@@",
       "@@@STEP_LOG_LINE@python.inline@    sys.exit(1)@@@",
       "@@@STEP_LOG_LINE@python.inline@  os.makedirs(path, mode)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
+      "python",
+      "-u",
+      "import os\nprint os.environ.get('SWARMING_BOT_ID', '')\n"
+    ],
+    "name": "get swarming bot id",
+    "stdout": "/path/to/tmp/",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@import os@@@",
+      "@@@STEP_LOG_LINE@python.inline@print os.environ.get('SWARMING_BOT_ID', '')@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "import os\nprint os.environ.get('SWARMING_TASK_ID', '')\n"
+    ],
+    "name": "get swarming task id",
+    "stdout": "/path/to/tmp/",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@import os@@@",
+      "@@@STEP_LOG_LINE@python.inline@print os.environ.get('SWARMING_TASK_ID', '')@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
       "[SLAVE_BUILD]\\out\\Release_x64\\nanobench",
       "--undefok",
       "-i",
       "[SLAVE_BUILD]\\skia\\resources",
       "--skps",
       "[SLAVE_BUILD]\\skp",
       "--images",
       "[SLAVE_BUILD]\\skimage\\nanobench",
       "--svgs",
       "[SLAVE_BUILD]\\svg",
@@ skipping 39 matching lines @@
       "~inc0.webp",
       "~inc1.webp",
       "--outResultsFile",
       "[CUSTOM_[SWARM_OUT_DIR]]\\perfdata\\Perf-Win8-MSVC-ShuttleB-GPU-HD4600-x86_64-Release-Trybot\\data\\nanobench_abc123_1337000001.json",
       "--properties",
       "gitHash",
       "abc123",
       "build_number",
       "5",
       "issue",
-      "500",
+      "2100",
       "patchset",
-      "1",
+      "2",
       "patch_storage",
-      "rietveld",
+      "gerrit",
+      "no_buildbot",
+      "True",
+      "swarming_bot_id",
+      "skia-bot-123",
+      "swarming_task_id",
+      "123456",
       "--key",
       "arch",
       "x86_64",
       "compiler",
       "MSVC",
       "cpu_or_gpu",
       "GPU",
       "cpu_or_gpu_value",
       "HD4600",
       "model",
@@ skipping 25 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@  os.makedirs(path, mode)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]