Chameleon: Move chameleon.py and edid.py to the client directory

This prepares the client-side Chameleon test support. Client tests
can use the Chameleon libraries to control the Chameleon hardware.

BUG=chromium:405143
TEST=Ran the suite:chameleon passed on a machine at a desk.

Change-Id: Iad6061c815ff1fb48d15cda6b921f810759d07a3
Reviewed-on: https://chromium-review.googlesource.com/213708
Tested-by: Wai-Hong Tam <waihong@chromium.org>
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Hung-ying Tyan <tyanh@chromium.org>
Commit-Queue: Wai-Hong Tam <waihong@chromium.org>
6 files changed