Revert of Instrumented libraries: Remove dependence on GYP_DEFINES

Revert of Instrumented libraries: Remove dependence on GYP_DEFINES (patchset #2 id:60001 of https://codereview.chromium.org/2775913002/ )

Reason for revert:
Reverting now that all of the third_party changes have been reverted

Original issue's description:
> Instrumented libraries: Remove dependence on GYP_DEFINES
> 
> This CL ports download_binaries.py and unpack_binaries.py from using
> GYP_DEFINES to gn args.  Previously, there was a gotcha step where you
> had to run 'gclient sync' with the right GYP_DEFINES to actually download
> the prebuilt instrumented libraries.  This CL removes that step.
> 
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_chromium_msan_rel_ng;master.tryserver.chromium.linux:linux_chromium_chromeos_msan_rel_ng
> R=eugenis@chromium.org
> BUG=705072
> 
> Review-Url: https://codereview.chromium.org/2775913002
> Cr-Commit-Position: refs/heads/master@{#459630}
> Committed: https://chromium.googlesource.com/chromium/src/+/5adb8c047852670be6c9d42114f3a17d44b6c56e

TBR=eugenis@chromium.org,dpranke@chromium.org,machenbach@chromium.org,thomasanderson@google.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=705072
Review-Url: https://codereview.chromium.org/2792343003
Cr-Commit-Position: refs/heads/master@{#461871}
Committed: https://chromium.googlesource.com/chromium/src/+/aa441f50eecca13f2d3490a89705cb00cc0d5920

[Tom Anderson, 2017-04-04 21:00:37]

The CQ bit was checked by thomasanderson@chromium.org

[Tom Anderson, 2017-04-04 21:00:38]

Created Revert of Instrumented libraries: Remove dependence on GYP_DEFINES

[commit-bot: I haz the power, 2017-04-04 21:01:15]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-04 22:35:43]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491339637797810, "parent_rev":
"f01aa36d574f86cbadec43d22773c1f25dc20a90", "commit_rev":
"aa441f50eecca13f2d3490a89705cb00cc0d5920"}

[commit-bot: I haz the power, 2017-04-04 22:36:31]

Description was changed from

==========
Revert of Instrumented libraries: Remove dependence on GYP_DEFINES (patchset #2
id:60001 of https://codereview.chromium.org/2775913002/ )

Reason for revert:
Reverting now that all of the third_party changes have been reverted

Original issue's description:
> Instrumented libraries: Remove dependence on GYP_DEFINES
> 
> This CL ports download_binaries.py and unpack_binaries.py from using
> GYP_DEFINES to gn args.  Previously, there was a gotcha step where you
> had to run 'gclient sync' with the right GYP_DEFINES to actually download
> the prebuilt instrumented libraries.  This CL removes that step.
> 
>
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_chromium_msan_rel_ng;master.tryserver.chromium.linux:linux_chromium_chromeos_msan_rel_ng
> R=eugenis@chromium.org
> BUG=705072
> 
> Review-Url: https://codereview.chromium.org/2775913002
> Cr-Commit-Position: refs/heads/master@{#459630}
> Committed:
https://chromium.googlesource.com/chromium/src/+/5adb8c047852670be6c9d42114f3...

TBR=eugenis@chromium.org,dpranke@chromium.org,machenbach@chromium.org,thomasa...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=705072
==========

to

==========
Revert of Instrumented libraries: Remove dependence on GYP_DEFINES (patchset #2
id:60001 of https://codereview.chromium.org/2775913002/ )

Reason for revert:
Reverting now that all of the third_party changes have been reverted

Original issue's description:
> Instrumented libraries: Remove dependence on GYP_DEFINES
> 
> This CL ports download_binaries.py and unpack_binaries.py from using
> GYP_DEFINES to gn args.  Previously, there was a gotcha step where you
> had to run 'gclient sync' with the right GYP_DEFINES to actually download
> the prebuilt instrumented libraries.  This CL removes that step.
> 
>
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_chromium_msan_rel_ng;master.tryserver.chromium.linux:linux_chromium_chromeos_msan_rel_ng
> R=eugenis@chromium.org
> BUG=705072
> 
> Review-Url: https://codereview.chromium.org/2775913002
> Cr-Commit-Position: refs/heads/master@{#459630}
> Committed:
https://chromium.googlesource.com/chromium/src/+/5adb8c047852670be6c9d42114f3...

TBR=eugenis@chromium.org,dpranke@chromium.org,machenbach@chromium.org,thomasa...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=705072

Review-Url: https://codereview.chromium.org/2792343003
Cr-Commit-Position: refs/heads/master@{#461871}
Committed:
https://chromium.googlesource.com/chromium/src/+/aa441f50eecca13f2d3490a89705...
==========

[commit-bot: I haz the power, 2017-04-04 22:36:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/aa441f50eecca13f2d3490a89705...

[Dirk Pranke, 2017-04-04 23:17:43]

lgtm