Revert of Add list of plugged-in USB devices to feedback reports

Revert of Add list of plugged-in USB devices to feedback reports (patchset #1 id:1 of https://codereview.chromium.org/2856813002/ )

Reason for revert:
It's better to modify the entry in log_tool.cc on debugd.

Original issue's description:
> Add list of plugged-in USB devices to feedback reports
> 
> This will allow us to track which USB devices are plugged in
> and if they're going through hubs.
> 
> BUG=695523
> TEST=Sys info in feedback reports should have an entry "usb_devices:
> 
> Review-Url: https://codereview.chromium.org/2856813002
> Cr-Commit-Position: refs/heads/master@{#468683}
> Committed: https://chromium.googlesource.com/chromium/src/+/31a45636e84fdf6cf56cac35ece3604baddf9174

TBR=xiyuan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=695523
Review-Url: https://codereview.chromium.org/2856083003
Cr-Commit-Position: refs/heads/master@{#469052}
Committed: https://chromium.googlesource.com/chromium/src/+/d4c0e7cb46c3102fb4845db60de085daf74c10f8

[afakhry, 2017-05-03 18:04:09]

The CQ bit was checked by afakhry@chromium.org

[afakhry, 2017-05-03 18:04:09]

Created Revert of Add list of plugged-in USB devices to feedback reports

[commit-bot: I haz the power, 2017-05-03 18:05:03]

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, 2017-05-03 18:48:26]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493834649477030, "parent_rev":
"a62b93177432b09f7b287b0c3482a735ba9dc13b", "commit_rev":
"d4c0e7cb46c3102fb4845db60de085daf74c10f8"}

[commit-bot: I haz the power, 2017-05-03 18:48:34]

Description was changed from

==========
Revert of Add list of plugged-in USB devices to feedback reports (patchset #1
id:1 of https://codereview.chromium.org/2856813002/ )

Reason for revert:
It's better to modify the entry in log_tool.cc on debugd.

Original issue's description:
> Add list of plugged-in USB devices to feedback reports
> 
> This will allow us to track which USB devices are plugged in
> and if they're going through hubs.
> 
> BUG=695523
> TEST=Sys info in feedback reports should have an entry "usb_devices:
> 
> Review-Url: https://codereview.chromium.org/2856813002
> Cr-Commit-Position: refs/heads/master@{#468683}
> Committed:
https://chromium.googlesource.com/chromium/src/+/31a45636e84fdf6cf56cac35ece3...

TBR=xiyuan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=695523
==========

to

==========
Revert of Add list of plugged-in USB devices to feedback reports (patchset #1
id:1 of https://codereview.chromium.org/2856813002/ )

Reason for revert:
It's better to modify the entry in log_tool.cc on debugd.

Original issue's description:
> Add list of plugged-in USB devices to feedback reports
> 
> This will allow us to track which USB devices are plugged in
> and if they're going through hubs.
> 
> BUG=695523
> TEST=Sys info in feedback reports should have an entry "usb_devices:
> 
> Review-Url: https://codereview.chromium.org/2856813002
> Cr-Commit-Position: refs/heads/master@{#468683}
> Committed:
https://chromium.googlesource.com/chromium/src/+/31a45636e84fdf6cf56cac35ece3...

TBR=xiyuan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=695523

Review-Url: https://codereview.chromium.org/2856083003
Cr-Commit-Position: refs/heads/master@{#469052}
Committed:
https://chromium.googlesource.com/chromium/src/+/d4c0e7cb46c3102fb4845db60de0...
==========

[commit-bot: I haz the power, 2017-05-03 18:48:34]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/d4c0e7cb46c3102fb4845db60de0...