Download the Android SDK as a CIPD package

scripts/slave/recipes/skia/swarm_trigger.expected/Build-Mac-Clang-x86_64-Release.json

 [
   {
     "cmd": [
       "git",
       "remote",
       "set-url",
       "origin",
       "https://skia.googlesource.com/skia.git"
     ],
     "cwd": "[SLAVE_BUILD]/skia",
@@ skipping 195 matching lines @@
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/swarming.client/swarming.py",
       "--version"
     ],
     "name": "swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
-      "@@@STEP_TEXT@0.4.10@@@"
+      "@@@STEP_TEXT@0.8.6@@@"
     ]
   },
   {
     "cmd": [
       "download_from_google_storage",
       "--no_resume",
       "--platform=linux*",
       "--no_auth",
       "--bucket",
       "chromium-luci",
@@ skipping 342 matching lines @@
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/swarming.client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
-      "--shards",
-      "1",
-      "compile_skia/Mac/def456/Build-Mac-Clang-x86_64-Release/5",
+      "--json",
+      "{\"base_task_name\": \"compile_skia/Mac/def456/Build-Mac-Clang-x86_64-Release/5\", \"tasks\": {\"compile_skia/Mac/def456/Build-Mac-Clang-x86_64-Release/5\": {\"shard_index\": 0, \"task_id\": \"10000\", \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"}}}",
       "--task-summary-json",
       "/path/to/tmp/json"
     ],
     "name": "compile_skia on Mac",
     "~followup_annotations": [
       "@@@STEP_TEXT@swarming pending 71s@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"shards\": [@@@",
       "@@@STEP_LOG_LINE@json.output@    {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"abandoned_ts\": null, @@@",
@@ skipping 33 matching lines @@
       "@@@STEP_LOG_END@json.output@@@",
       "@@@STEP_LINK@shard #0 isolated out@blah@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]