Revert of [testing/script] Switch run_telemetry_as_googletest.py to produce full json results format (patchset #2 id:20001 of https://codereview.chromium.org/2403913002/ )

Reason for revert:
Speculatively reverting this patch (suggested by findit) to see if it fixes Mac telemetry unit tests.

https://uberchromegw.corp.google.com/i/chromium.mac/builders/Mac10.10%20Tests/builds/8276

https://uberchromegw.corp.google.com/i/chromium.mac/builders/Mac10.10%20Tests/builds/8277

Original issue's description:
> [testing/script] Switch run_telemetry_as_googletest.py to produce full json results format
>
> BUG=649762
>
> Committed: https://crrev.com/caa3b797728c9337fcea7d108a087d005fa7f451
> Cr-Commit-Position: refs/heads/master@{#424206}

TBR=kbr@chromium.org,dpranke@chromium.org,nednguyen@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=649762

Review-Url: https://codereview.chromium.org/2408043002
Cr-Commit-Position: refs/heads/master@{#424341}
1 file changed