Revert of Moving webrtc.gni up one level from build/

Revert of Moving webrtc.gni up one level from build/ (patchset #1 id:1 of https://codereview.webrtc.org/2651543003/ )

Reason for revert:
This was causing the following failure: https://build.chromium.org/p/chromium.webrtc.fyi/builders/Android%20Builder/builds/838/steps/generate_build_files/logs/stdio

Original issue's description:
> Moving webrtc.gni up one level from build/
> 
> BUG=webrtc:7030
> 
> Review-Url: https://codereview.webrtc.org/2651543003
> Cr-Commit-Position: refs/heads/master@{#16241}
> Committed: https://chromium.googlesource.com/external/webrtc/+/35a32700fc9b5d932ddbd528c12f59c3274e4774

TBR=kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7030
Review-Url: https://codereview.webrtc.org/2657563002
Cr-Commit-Position: refs/heads/master@{#16244}
Committed: https://chromium.googlesource.com/external/webrtc/+/69dc7dbe247ead087f3bae0eb7e23f27f0de1ec3

[mbonadei, 2017-01-24 13:14:15]

The CQ bit was checked by mbonadei@webrtc.org

[mbonadei, 2017-01-24 13:14:16]

Created Revert of Moving webrtc.gni up one level from build/

[commit-bot: I haz the power, 2017-01-24 13:14:20]

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

[commit-bot: I haz the power, 2017-01-24 13:14:36]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485263655866880, "parent_rev":
"e6b4723790056e7312931c4694f37416d19fdc08", "commit_rev":
"69dc7dbe247ead087f3bae0eb7e23f27f0de1ec3"}

[commit-bot: I haz the power, 2017-01-24 13:14:39]

Description was changed from

==========
Revert of Moving webrtc.gni up one level from build/ (patchset #1 id:1 of
https://codereview.webrtc.org/2651543003/ )

Reason for revert:
This was causing the following failure:
https://build.chromium.org/p/chromium.webrtc.fyi/builders/Android%20Builder/b...

Original issue's description:
> Moving webrtc.gni up one level from build/
> 
> BUG=webrtc:7030
> 
> Review-Url: https://codereview.webrtc.org/2651543003
> Cr-Commit-Position: refs/heads/master@{#16241}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/35a32700fc9b5d932ddbd528c...

TBR=kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7030
==========

to

==========
Revert of Moving webrtc.gni up one level from build/ (patchset #1 id:1 of
https://codereview.webrtc.org/2651543003/ )

Reason for revert:
This was causing the following failure:
https://build.chromium.org/p/chromium.webrtc.fyi/builders/Android%20Builder/b...

Original issue's description:
> Moving webrtc.gni up one level from build/
> 
> BUG=webrtc:7030
> 
> Review-Url: https://codereview.webrtc.org/2651543003
> Cr-Commit-Position: refs/heads/master@{#16241}
> Committed:
https://chromium.googlesource.com/external/webrtc/+/35a32700fc9b5d932ddbd528c...

TBR=kjellander@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7030

Review-Url: https://codereview.webrtc.org/2657563002
Cr-Commit-Position: refs/heads/master@{#16244}
Committed:
https://chromium.googlesource.com/external/webrtc/+/69dc7dbe247ead087f3bae0eb...
==========

[commit-bot: I haz the power, 2017-01-24 13:14:40]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/69dc7dbe247ead087f3bae0eb...

[mbonadei, 2017-01-24 13:17:08]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.webrtc.org/2654773002/ by mbonadei@webrtc.org.

The reason for reverting is: Starting to work on a fix (it seems that there are
third_party dependencies that depends on the path to the webrtc.gni file).