Reland "[Perf] Enable system_health.* for histogram uploads"

This reverts commit 983e403.

Reason for revert: Trying again

Original change's description:
> Revert "[Perf] Enable system_health.* for histogram uploads"
> 
> This reverts commit f3f8949.
> 
> Reason for revert: Causing failures
> 
> Original change's description:
> > [Perf] Enable system_health.* for histogram uploads
> > 
> > This CL switches all system_health benchmarks to the histogram pipeline.
> > 
> > Bug: 744736
> > Change-Id: Icb97397ec417d27220e489651cc51591757d8c9e
> > Reviewed-on: https://chromium-review.googlesource.com/1048626
> > Reviewed-by: Emily Hanley <eyaich@chromium.org>
> > Commit-Queue: Ethan Kuefner <eakuefner@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#556842}
> 
> TBR=eakuefner@chromium.org,eyaich@chromium.org
> 
> Change-Id: I53f1788cc1f488b207a0718e8fbe14e2899af5b7
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: 744736
> Reviewed-on: https://chromium-review.googlesource.com/1052407
> Reviewed-by: Ethan Kuefner <eakuefner@chromium.org>
> Commit-Queue: Ethan Kuefner <eakuefner@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#557211}

TBR=eakuefner@chromium.org,eyaich@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 744736
Change-Id: Ie8e2f4a2e1c2d4b3e84a9edce1ca88e4d7005f39
Reviewed-on: https://chromium-review.googlesource.com/1059733
Commit-Queue: Simon Hatch <simonhatch@chromium.org>
Reviewed-by: Simon Hatch <simonhatch@chromium.org>
Reviewed-by: Emily Hanley <eyaich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558738}