Revert of Updated recipes command to use chartjson (patchset #1 id:1 of...

Revert of Updated recipes command to use chartjson (patchset #1 id:1 of https://codereview.chromium.org/641693003/)

Reason for revert:
Broke android recipes; see crbug.com/422174

Original issue's description:
> Updated recipes command to use chartjson
>
> This is from https://codereview.chromium.org/595793005/
>
> BUG=420044
>
> Committed: https://crrev.com/5ae725e82a80bb1f8d155b85ecc4361cfbf083c5
> Cr-Commit-Position: refs/heads/master@{#298891}

TBR=tonyg@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=420044,422174

Review URL: https://codereview.chromium.org/646913004

Cr-Commit-Position: refs/heads/master@{#299118}

tools/telemetry/telemetry/test_runner.py

@@ -297,8 +297,7 @@ def _GetJsonTestList(possible_browser, possible_reference_browser,
 
     base_name = test_class.Name()
     base_cmd = [sys.executable, os.path.realpath(sys.argv[0]),
-                '-v', '--output-format=chartjson', '--upload-results',
-                base_name]
+                '-v', '--output-format=buildbot', base_name]
     perf_dashboard_id = base_name
     # TODO(tonyg): Currently we set the device affinity to a stable hash of the
     # test name. This somewhat evenly distributes benchmarks among the requested