This reverts commit d169622f.

Reason for revert: setdep bug should be fixed

Original change's description:
> Revert "[release] Switch auto-roller to gclient setdep"
> 
> This reverts commit a9f5dd30.
> 
> Reason for revert:
> Temporarily use legacy method until https://crbug.com/843917 is fixed.
> 
> Original change's description:
> > [release] Switch auto-roller to gclient setdep
> > 
> > NOTRY=true
> > 
> > Bug: chromium:828745
> > Change-Id: I051f57893937796e01f0b823f1050dd36e0fbfd9
> > Reviewed-on: https://chromium-review.googlesource.com/997556
> > Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
> > Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#52385}
> 
> TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org
> 
> NOTRY=true
> 
> Bug: chromium:843917
> Change-Id: I69978ba55ffa5996101e1d31bdf10364b7ef273f
> Reviewed-on: https://chromium-review.googlesource.com/1064130
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53230}

TBR=machenbach@chromium.org,hablich@chromium.org,sergiyb@chromium.org

Change-Id: Ia70dc1df7e25e0c8ffd3fafeb97830b5d5f87336
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:843917
Reviewed-on: https://chromium-review.googlesource.com/1064413Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53238}