Re-Enable thinlto on caroline and terra release builds.

This reverts commit e292b75677598efbea7f3613a824082cb525871b.

Reason for revert: We worked around the error in crbug.com/799642.

Original change's description:
> Revert "Enable thinlto on caroline and terra release builds."
>
> This reverts commit 434f4eef1a0f545c548ed86c5033fbd4dd523e8d.
>
> Reason for revert: crbug.com/799642
>
> Original change's description:
> > Enable thinlto on caroline and terra release builds.
> >
> > We want to enable thinlto on Chrome for better performance and
> > CFI. As a first step, we enable two AMD64 boards first.
> > The design doc and the performance numbers can be found at the
> > bug entry.
> >
> > BUG=chromium:707803
> > TEST=cbuildbot caroline-release terra-release
> >
> > Change-Id: Ia49fd06603bc601ba970d80470146f909dbd4f4a
> > Reviewed-on: https://chromium-review.googlesource.com/790753
> > Commit-Ready: Yunlian Jiang <yunlian@chromium.org>
> > Tested-by: Yunlian Jiang <yunlian@chromium.org>
> > Reviewed-by: Caroline Tice <cmtice@chromium.org>
>
> Bug: chromium:707803
> Change-Id: I6cc26fa3cb0b95c102a5f3382c1594f444403990
> Reviewed-on: https://chromium-review.googlesource.com/889182
> Commit-Ready: Yunlian Jiang <yunlian@chromium.org>
> Tested-by: Yunlian Jiang <yunlian@chromium.org>
> Reviewed-by: Caroline Tice <cmtice@chromium.org>

Bug: chromium:707803
Change-Id: I4a00144823a397102d373a001d2eb4c32a9ebd0c
Reviewed-on: https://chromium-review.googlesource.com/935801
Commit-Ready: Yunlian Jiang <yunlian@chromium.org>
Tested-by: Yunlian Jiang <yunlian@chromium.org>
Reviewed-by: Luis Lozano <llozano@chromium.org>
2 files changed