Revert of Move //device/generic_sensor to be part of the internal implementation of the Device Service.

Revert of Move //device/generic_sensor to be part of the internal implementation of the Device Service. (patchset #11 id:200001 of https://codereview.chromium.org/2865263002/ )

Reason for revert:
Seems to have broken GenericSensorBrowserTest.AmbientLightSensorTest:

https://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20(dbg)(1)/builds/60103
https://build.chromium.org/p/chromium.mac/builders/Mac10.9%20Tests%20(dbg)/builds/40665
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29/builds/26223

Original issue's description:
> Remove the *.export.h, change the gn target 'component' to 'source_set', which makes the generic sensor to be the internal implementation of //services.
> 
> BUG=689384
> 
> Review-Url: https://codereview.chromium.org/2865263002
> Cr-Commit-Position: refs/heads/master@{#473160}
> Committed: https://chromium.googlesource.com/chromium/src/+/9b5cf7f93a4b2f246d08208ccd17804856c38f6a

TBR=rockot@chromium.org,blundell@chromium.org,jam@chromium.org,alexander.shalamov@intel.com,tsepez@chromium.org,reillyg@chromium.org,ke.he@intel.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=689384
Review-Url: https://codereview.chromium.org/2898433002
Cr-Commit-Position: refs/heads/master@{#473172}
Committed: https://chromium.googlesource.com/chromium/src/+/b6fa2c513e2b0f9275b13fa48eda48c5351d6c1b

[Marc Treib, 2017-05-19 13:07:28]

The CQ bit was checked by treib@chromium.org

[Marc Treib, 2017-05-19 13:07:30]

Created Revert of Move //device/generic_sensor to be part of the internal
implementation of the Device Service.

[commit-bot: I haz the power, 2017-05-19 13:10:36]

Description was changed from

==========
Revert of Move //device/generic_sensor to be part of the internal implementation
of the Device Service. (patchset #11 id:200001 of
https://codereview.chromium.org/2865263002/ )

Reason for revert:
Seems to have broken GenericSensorBrowserTest.AmbientLightSensorTest:

https://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20(dbg)(1)/bu...
https://build.chromium.org/p/chromium.mac/builders/Mac10.9%20Tests%20(dbg)/bu...
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%...

Original issue's description:
> Remove the *.export.h, change the gn target 'component' to 'source_set', which
makes the generic sensor to be the internal implementation of //services.
> 
> BUG=689384
> 
> Review-Url: https://codereview.chromium.org/2865263002
> Cr-Commit-Position: refs/heads/master@{#473160}
> Committed:
https://chromium.googlesource.com/chromium/src/+/9b5cf7f93a4b2f246d08208ccd17...

TBR=rockot@chromium.org,blundell@chromium.org,jam@chromium.org,alexander.shal...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=689384
==========

to

==========
Revert of Move //device/generic_sensor to be part of the internal implementation
of the Device Service. (patchset #11 id:200001 of
https://codereview.chromium.org/2865263002/ )

Reason for revert:
Seems to have broken GenericSensorBrowserTest.AmbientLightSensorTest:

https://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20(dbg)(1)/bu...
https://build.chromium.org/p/chromium.mac/builders/Mac10.9%20Tests%20(dbg)/bu...
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%...

Original issue's description:
> Remove the *.export.h, change the gn target 'component' to 'source_set', which
makes the generic sensor to be the internal implementation of //services.
> 
> BUG=689384
> 
> Review-Url: https://codereview.chromium.org/2865263002
> Cr-Commit-Position: refs/heads/master@{#473160}
> Committed:
https://chromium.googlesource.com/chromium/src/+/9b5cf7f93a4b2f246d08208ccd17...

TBR=rockot@chromium.org,blundell@chromium.org,jam@chromium.org,alexander.shal...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=689384

Review-Url: https://codereview.chromium.org/2898433002
Cr-Commit-Position: refs/heads/master@{#473172}
Committed:
https://chromium.googlesource.com/chromium/src/+/b6fa2c513e2b0f9275b13fa48eda...
==========